The trade database rates completed trades on bWAR. “Incomplete” means that the final result is unknown. This project evaluates trades based on the total on-field value a team received from the player.

December 7, 1995: The New York Yankees traded Russ Davis and Sterling Hitchcock to the Seattle Mariners for Tino Martinez, Jim Mecir and Jeff Nelson. NYY WAR: 21.6 SEA WAR: 0.3 NYY won by 21.3 WAR.

April 6, 1995: The Kansas City Royals traded David Cone to the Toronto Blue Jays for Tony Medrano, Dave Sinnes and Chris Stynes. KCR WAR: -0.6 TOR WAR: 4.4 TOR won by 5.0 WAR.

November 19, 1993: Los Angeles Dodgers traded Pedro Martinez the Montreal Expos for Delino DeShields. LAD WAR: 3.3 MON WAR: 20.2 MON won by 16.9 WAR.

November 2, 1993: The Cincinnati Reds traded Bobby Ayala and Dan Wilsonto the Seattle Mariners for Bret Boone and Erik Hanson. CIN WAR: 5.7 SEA WAR: -0.4 CIN won by 5.3 WAR.

June 24, 1993: The Florida Marlins traded Andrés Berumen, Trevor Hoffman and José Martínez to the San Diego Padres for Rich Rodriguez and Gary Sheffield. MIA WAR: 13.4 SDP WAR: 25.6 SDP won by 12.2 WAR.

August 31, 1992: The Oakland Athletics traded José Canseco to the Texas Rangers for Jeff Russell, Rubén Sierra, Bobby Witt and cash. OAK WAR: 3.0 TEX WAR: 3.7 TEX won by 0.7 WAR.

August 27, 1992: The New York Mets traded David Cone to the Toronto Blue Jays for Jeff Kent and Ryan Thompson. TOR WAR: 1.6 NYM WAR: 11.8 NYM won by 10.2 WAR.

April 2, 1992: The Houston Astros traded Curt Schilling to the Philadelphia Phillies for Jason Grimsley. PHI WAR: 36.8 HOU WAR: 0.0 PHI won by 36.8 WAR.

March 30, 1992: The Chicago Cubs traded George Bell to the Chicago White Sox for Ken Patterson and Sammy Sosa. CHC WAR: 58.2 CWS WAR: -2.7 CHC won by 60.9 WAR.

March 26, 1992: The Milwaukee Brewers traded Geoff Kellogg and Gary Sheffield to the San Diego Padres for Ricky Bones, Matt Mieske and José Valentín. MIL WAR: 20.1 SDP WAR: 5.8 MIL won by 14.3 WAR.

January 10, 1991: The Baltimore Orioles traded Steve Finley, Pete Harnischand Curt Schilling to the Houston Astros for Glenn Davis. HOU WAR: 24.3 BAL WAR: 0.7 HOU won by 23.6 WAR.

December 5, 1990: The San Diego Padres traded Roberto Alomar and Joe Carter to the Toronto Blue Jays for Tony Fernández and Fred McGriff. SDP WAR: 12.9 TOR WAR: 30.7 TOR won by 17.8 WAR.

August 30, 1990: The Boston Red Sox traded Jeff Bagwell to the Houston Astros for Larry Andersen. BOS WAR: 1.2 HOU WAR: 79.9 HOU won by 78.7 WAR.

December 6, 1989: The Cleveland Indians traded Joe Carter to the San Diego Padres for Sandy Alomar, Carlos Baerga and Chris James. CLE WAR: 34.0 SDP WAR: -1.7 CLE won by 35.7 WAR.

June 21, 1989: The New York Yankees traded Rickey Henderson to the Oakland Athletics for Greg Cadaret, Eric Plunk and Luis Polonia. NYY WAR: 5.8 OAK WAR: 29.7 OAK won by 23.9 WAR.

June 16, 1989: The New York Mets traded Tom Edens, Lenny Dykstra and Roger McDowell to the Philadelphia Phillies for Juan Samuel. PHI WAR: 27.7 NYM WAR: 1.3 PHI won by 26.4 WAR.

May 25, 1989: The Montreal Expos traded Gene Harris, Brian Holman and Randy Johnson to the Seattle Mariners for Mike Campbell and Mark Langston. SEA WAR: 45.2 MON WAR: 4.9 SEA won by 40.3 WAR.

December 4, 1988: The Baltimore Orioles traded Eddie Murray to the Los Angeles Dodgers for Juan Bell, Brian Holton and Ken Howell. LAD WAR: 8.5 BAL WAR: -1.5 LAD won by 10.0 WAR.

July 29, 1988: The Baltimore Orioles traded Mike Boddicker to the Boston Red Sox for Brady Anderson and Curt Schilling. BOS WAR: 11.4 BAL WAR: 35.2 BAL won by 23.8 WAR.

July 21, 1988: The New York Yankees traded Troy Evers, Rick Balabon and Jay Buhner to the Seattle Mariners for Ken Phelps. NYY WAR: 1.0 SEA WAR: 23.0 SEA won by 22.0 WAR.

August 12, 1987: The Atlanta Braves traded Doyle Alexander to the Detroit Tigers for John Smoltz. ATL WAR: 66.9 DET WAR: 6.4 ATL won by 60.5 WAR.

April 3, 1987: The Chicago Cubs traded Dennis Eckersley and Dan Rohn to the Oakland Athletics for Brian Guinn, Mark Leonette and Dave Wilder. OAK WAR: 15.9 CHC WAR: 0.0 OAK won by 15.9 WAR.

March 27, 1987: The Kansas City Royals traded David Cone and Chris Jelic to the New York Mets for Rick Anderson, Mauro Gozzo and Ed Hearn. KCR WAR: -0.6 NYM WAR: 19.5 NYM won by 20.1 WAR.

November 26, 1986: The New York Yankees traded Doug Drabek, Logan Easley and Brian Fisher to the Pittsburgh Pirates for Pat Clements, Cecilio Guante and Rick Rhoden. NYY WAR: 5.7 PIT WAR: 19.3 PIT won by 13.6 WAR.

February 1, 1985: The San Francisco Giants traded Jack Clark to the St. Louis Cardinals for David Green, Dave LaPoint, Gary Rajsich and José Uribe. STL WAR: 9.7 SFG WAR: 9.9 SFG won by 0.2 WAR.

December 10, 1984: The Montreal Expos traded Gary Carter to the New York Mets for Hubie Brooks, Mike Fitzgerald, Herm Winningham and Floyd Youmans. MON WAR: 17.3 NYM WAR: 11.4 MON won by 5.9 WAR.

December 5, 1984: The New York Yankees traded Tim Birtsas, Jay Howell, Stan Javier, Eric Plunk and José Rijo to the Oakland Athletics for Bert Bradley, Rickey Henderson and cash. NYY WAR: 30.8 OAK WAR: 5.5 NYY won by 25.3 WAR.

August 28, 1984: The Houston Astros traded Ray Knight to the New York Mets for Gerald Young, Manuel Lee and Mitch Cook. HOU WAR: 6.2 NYM WAR: 2.4 HOU won by 3.8 WAR.

June 13, 1984: The Chicago Cubs traded Darryl Banks, Joe Carter, Mel Hall and Don Schulze to the Cleveland Indians for George Frazier, Ron Hassey and Rick Sutcliffe. CLE WAR: 16.7 CHC WAR: 20.4 CHC won by 3.7 WAR.

March 24, 1984: The Detroit Tigers traded Glenn Wilson and John Wockenfuss to the Philadelphia Phillies for Dave Bergman and Willie Hernández. PHI WAR: 6.4 DET WAR: 12.8 DET won by 6.4 WAR.

December 16, 1982: The Cincinnati Reds traded Tom Seaver to the New York Mets for Jason Felice, Lloyd McClendon and Charlie Puleo. CIN WAR: -1.4 NYM WAR: 2.5 NYM won by 3.9 WAR.

December 9, 1982: The New York Yankees traded Dave Collins, Fred McGriff, Mike Morgan and cash to the Toronto Blue Jays for Tom Dodd and Dale Murray. NYY WAR: -0.8 TOR WAR: 24.2 TOR won by 23.4 WAR.

January 27, 1982: The Chicago Cubs traded Iván de Jesús to the Philadelphia Phillies for Larry Bowa and Ryne Sandberg. PHI WAR: 1.7 CHC WAR: 69.6 CHC won by 67.9 WAR.

December 10, 1981: The San Diego Padres traded Al Olmsted, Steve Mura and Ozzie Smith to the St. Louis Cardinals for Luis DeLeón, Sixto Lezcano and Garry Templeton. STL WAR: 67.1 SDP WAR: 19.4 STL won by 47.7 WAR.

January 23, 1981: The Boston Red Sox traded Fred Lynn and Steve Renko to the California Angels for Jim Dorsey, Joe Rudi and Frank Tanana. BOS WAR: 0.1 CAL WAR: 12.8 CAL won by 12.7 WAR.

December 12, 1980: The Milwaukee Brewers traded David Green, Dave LaPoint, Sixto Lezcano and Lary Sorensen to the St. Louis Cardinals for Rollie Fingers, Ted Simmons and Pete Vuckovich. STL WAR: 9.1 MIL WAR: 18.9 MIL won by 9.8 WAR.

April 7, 1979: The Los Angeles Dodgers traded Rick Rhoden to the Pittsburgh Pirates for Jerry Reuss. LAD WAR: 18.4 PIT WAR: 20.5 PIT won by 2.1 WAR.

February 3, 1979: The California Angels traded Dave Engle, Paul Hartzell, Brad Havens and Ken Landreaux to the Minnesota Twins for Rod Carew. MIN WAR: 6.4 CAL WAR: 17.4 CAL won by 11.0 WAR.

November 10, 1978: The New York Yankees traded Mike Heath, Sparky Lyle, Larry McCall, Dave Rajsich, Domingo Ramos and cash to the Texas Rangers for Greg Jemison, Juan Beníquez, Mike Griffin, Paul Mirabella and Dave Righetti. NYY WAR: 21.6 TEX WAR: 1.3 NYY won by 20.3 WAR.

March 30, 1978: The Boston Red Sox traded Ted Cox, Bo Díaz, Mike Paxton and Rick Wise to the Cleveland Indians for Dennis Eckersley and Fred Kendall. BOS WAR: 21.5 CLE WAR: 4.5 BOS won by 17.0 WAR.

March 15, 1978: The Oakland Athletics traded Vida Blue to the San Francisco Giants for Mario Guerrero, Gary Alexander, Dave Heaverlo, Phil Huffman, John Henry Johnson, Gary Thomasson, Alan Wirth and $300,000. OAK WAR: 7.9 SFG WAR: 12.7 SFG won by 4.8 WAR.

January 25, 1978: The San Diego Padres traded Dave Tomlin and $125,000 to the Texas Rangers for Gaylord Perry. TEX WAR: 7.5 SDP WAR: 0.0 TEX won by 7.5 WAR.

June 15, 1977: The Cincinnati Reds traded Doug Flynn, Steve Henderson, Dan Norman and Pat Zachry to the New York Mets for Tom Seaver. CIN WAR: 18.4 NYM WAR: 14.4 CIN won by 4.0 WAR.

April 5, 1977: The Chicago White Sox traded Bucky Dent to the New York Yankees for Bob Polinsky, Oscar Gamble, LaMarr Hoyt and $200,000. NYY WAR: 12.5 CWS WAR: 14.8 CWS won by 2.3 WAR.

June 1, 1976: The Minnesota Twins traded Bert Blyleven and Danny Thompson to the Texas Rangers for Mike Cubbage, Jim Gideon, Bill Singer, Roy Smalley and $250,000. TEX WAR: 10.5 MIN WAR: 25.9 MIN won by 15.4 WAR.

April 2, 1976: The Baltimore Orioles traded Don Baylor, Paul Mitchell and Mike Torrez to the Oakland Athletics for Bill VanBommel, Ken Holtzman and Reggie Jackson. OAK WAR: 2.6 BAL WAR: 6.9 BAL won by 4.3 WAR.

June 13, 1975: The Cleveland Indians traded Gaylord Perry to the Texas Rangers for Jim Bibby, Jackie Brown, Rick Waits and $100,000. TEX WAR: 13.1 CLE WAR: 21.3 WAR CLE won by 8.2 WAR.

May 2, 1975: The Chicago Cubs traded Burt Hooton to the Los Angeles Dodgers for Eddie Solomon and Geoff Zahn. LAD WAR: 26.2 CHC WAR: -0.5 LAD won by 26.7 WAR.

November 27, 1972: The Cleveland Indians traded Jerry Moses and Graig Nettles to the New York Yankees for John Ellis, Jerry Kenney, Charlie Spikes and Rusty Torres. NYY WAR: 44.5 CLE WAR: 2.7 NYY won by 41.8 WAR.

March 22, 1972: The Boston Red Sox traded Sparky Lyle to the New York Yankees for Mario Guerrero and Danny Cater. NYY WAR: 14.9 BOS WAR: 2.4 NYY won by 12.5 WAR.

February 25, 1972: The Philadelphia Phillies traded Rick Wise to the St. Louis Cardinals for Steve Carlton. PHI WAR: 64.6 STL WAR: 7.8 PHI won by 56.8 WAR.

December 10, 1971: The California Angels traded Jim Fregosi to the New York Mets for Frank Estrada, Don Rose, Nolan Ryan and Leroy Stanton. CAL WAR: 44.7 NYM WAR: 0.2 CAL won by 44.5 WAR.

December 10, 1969: The Cleveland Indians traded Luis Tiant and Stan Williams to the Minnesota Twins for Dean Chance, Bob Miller, Graig Nettles and Ted Uhlaender. CLE WAR: 19.0 MIN WAR: 3.5 CLE won by 15.5 WAR.

October 7, 1969: The Philadelphia Phillies traded Dick Allen, Jerry Johnson and Cookie Rojas to the St. Louis Cardinals for Byron Browne, Curt Flood, Joe Hoerner and Tim McCarver, Willie Montañez and Jim Browning. PHI WAR: 8.3 STL WAR: 1.9 PHI won by 6.4 WAR.

March 17, 1969: The Atlanta Braves traded Joe Torre to the St. Louis Cardinals for Orlando Cepeda. STL WAR: 7.9 ATL WAR: 7.9 This trade was a tie.

November 29, 1967: The Baltimore Orioles traded Luis Aparicio, John Matiasand Russ Snyder to the Chicago White Sox for Don Buford, Bruce Howard and Roger Nelson. CWS WAR: 10.3 BAL WAR: 19.8 BAL won by 9.5 WAR.

December 8, 1966: The New York Yankees traded Roger Maris to the St. Louis Cardinals for Charley Smith. NYY WAR: 1.2 STL WAR: 5.9 STL won by 4.7 WAR.

December 1, 1966: The Los Angeles Dodgers traded Maury Wills to the Pittsburgh Pirates for Bob Bailey and Gene Michael. LAD WAR: -0.5 PIT WAR: 7.8 PIT won by 7.3 WAR.

December 9, 1965: The Baltimore Orioles traded Jack Baldschun, Milt Pappas and Dick Simpson to the Cincinnati Reds for Frank Robinson. CIN WAR: 5.3 BAL WAR: 32.4 BAL won by 27.1 WAR.

June 15, 1964: The Chicago Cubs traded Lou Brock, Jack Spring and Paul Toth to the St. Louis Cardinals for Ernie Broglio, Doug Clemens and Bobby Shantz. STL WAR: 41.4 CHC WAR: -1.6 STL won by 43.0 WAR.

December 5, 1963: The Detroit Tigers traded Jim Bunning and Gus Triandosto the Philadelphia Phillies for Don Demeter and Jack Hamilton. PHI WAR: 30.9 DET WAR: 1.6 PHI won by 29.3 WAR.

January 14, 1963: The Baltimore Orioles traded Ron Hansen, Dave Nicholson, Pete Ward and Hoyt Wilhelm to the Chicago White Sox for Luis Aparicio and Al Smith. CWS WAR: 55.4 BAL WAR: 17.2 CWS won by 38.2 WAR.

April 17, 1960: The Cleveland Indians traded Rocky Colavito to the Detroit Tigers for Harvey Kuenn. DET WAR: 17.3 CLE WAR: 2.4 DET won by 14.9 WAR.

December 11, 1959: The Kansas City Athletics traded Joe DeMaestri, Kent Hadley and Roger Maris to the New York Yankees for Hank Bauer, Don Larsen, Norm Siebern and Marv Throneberry. NYY WAR: 26.3 KCA WAR: 9.1 NYY won by 17.2 WAR.

June 15, 1958: The Cleveland Indians traded Roger Maris, Dick Tomanek and Preston Ward to the Kansas City Athletics for Woodie Held and Vic Power. CLE WAR: 25.9 KCA WAR: 3.4 CLE won by 22.5 WAR.

November 17, 1954: The Baltimore Orioles traded Mike Blyzka, Darrell Johnson, Jim Fridley, Dick Kryhoski, Billy Hunter, Don Larsen and Bob Turley to the New York Yankees for Harry Byrd, Jim McDonald, Willy Miranda, Hal Smith, Gus Triandos, Gene Woodling, Bill Miller, Kal Segrist, Don Leppert and Theodore Del Guercio. NYY WAR: 14.7 BAL WAR: 10.9 NYY won by 3.8 WAR.

February 1, 1954: The Milwaukee Braves traded Johnny Antonelli, Billy Klaus, Don Liddle, Ebba St. Claire and $50,000 to the New York Giants for Sam Calderone and Bobby Thomson. MLN WAR: 2.6 NYG/SFG WAR: 35.0 SFG/NYG won by 32.4 WAR.

June 4, 1953: The Chicago Cubs traded Bob Addis, Toby Atwell, George Freese, Gene Hermanski, Bob Schultz, Preston Ward and $150,000 to the Pittsburgh Pirates for Joe Garagiola, Ralph Kiner, George Metkovich and Howie Pollet. PIT WAR: -2.1 CHC WAR: 8.7 CHC won by 6.6 WAR.

August 29, 1951: The Boston Braves traded Johnny Sain to the New York Yankees for Lew Burdette and $50,000. NYY WAR: 3.6 BSN/MLN WAR: 26.0 BSN/MLN won by 22.4 WAR.

October 19, 1949: The Chicago White Sox traded Joe Tipton to the Philadelphia Athletics for Nellie Fox. PHA WAR: 2.7 CWS WAR: 47.3 CWS won by 44.6 WAR.

February 24, 1948: The Chicago White Sox traded Eddie Lopat to the New York Yankees for Fred Bradley, Aaron Robinson and Bill Wight. NYY WAR: 17.3 CWS WAR: 9.6 NYY won by 7.7 WAR.

October 11, 1946: The Cleveland Indians traded Allie Reynolds to the New York Yankees for Joe Gordon. NYY WAR: 16.9 CLE WAR: 19.0 CLE won by 2.1 WAR.

June 16, 1945: The Boston Braves traded Clyde Kluttz to the New York Giants for Joe Medwick and Ewald Pyle. BSN WAR: -0.5 NYG WAR: -0.1 Both teams lost.

July 18, 1939: The Boston Red Sox traded Pee Wee Reese to the Brooklyn Dodgers for Red Evans, Art Parks and $35000. BRO/LAD WAR: 68.5 BOS WAR: 0.0 BRO/LAD won by 68.5 WAR.

December 10, 1935: The Boston Red Sox traded George Savino, Gordon Rhodes and $150,000 to the Philadelphia Athletics for Jimmie Foxx and Johnny Marcum. PHA WAR: 0.3 BOS WAR: 48.7 BOS won by 48.4 WAR.

December 12, 1933: The Boston Red Sox traded Bob Kline, Rabbit Warstler and $125,000 to the Philadelphia Athletics for Max Bishop, Lefty Grove and Rube Walberg. PHA WAR: 1.6 BOS WAR: 54.9 BOS won by 53.3 WAR.

The Detroit Tigers traded Johnny Pasek and $100,000 to the Philadelphia Athletics for Mickey Cochrane. PHA WAR: 1.6 DET WAR: 12.1 DET won by: 10.5 WAR.

December 11, 1929: The Philadelphia Phillies traded Bob McGraw and Homer Peel to the St. Louis Cardinals for Grover Alexander and Harry McCurdy. PHI WAR: 0.3 STL WAR: -1.2 PHI won by 1.5 WAR.

November 7, 1928: The Boston Braves traded Rogers Hornsby to the Chicago Cubs for Bruce Cunningham, Percy Jones, Lou Legett, Freddie Maguire, Socks Seibold and $200,000. BSN WAR: 5.0 CHC WAR: 16.1 CHC won by 11.1 WAR.

January 10, 1928: The Boston Braves traded Shanty Hogan and Jimmy Welsh to the New York Giants for Rogers Hornsby. BSN WAR: 8.9 NYG WAR: 10.7 NYG won by 1.8 WAR.

December 20, 1926: The New York Giants traded Frankie Frisch and Jimmy Ring to the St. Louis Cardinals for Rogers Hornsby. STL WAR: 33.2 NYG WAR: 10.2 STL won by 23.0 WAR.

January 30, 1923: The Boston Red Sox traded Herb Pennock to the New York Yankees for Norm McMillan, George Murray, Camp Skinner and $50,000. NYY WAR: 33.9 BOS WAR: -0.7 NYY won by 34.6 WAR.

January 23, 1921: The Boston Braves traded Rabbit Maranville to the Pittsburgh Pirates for Walter Barbare, Fred Nicholson, Billy Southworth and $15,000. BSN WAR: 9.5 PIT WAR: 11.8 PIT won by 2.3 WAR.

December 11, 1917: The Chicago Cubs traded Pickles Dillhoefer, Mike Prendergast and $55,000 to the Philadelphia Phillies for Grover Alexander and Bill Killefer. PHI WAR: 2.5 CHC WAR: 45.1 CHC won by 42.6 WAR.

April 9, 1916: The Boston Red Sox traded Tris Speaker to the Cleveland Indians for Sad Sam Jones, Fred Thomas and $55,000. BOS WAR: 11.4 CLE WAR: 74.9 CLE won by 63.5 WAR.

February 14, 1916: The Chicago White Sox traded Larry Chappell, Ed Klepfer, Braggo Roth and $31,500 to the Cleveland Indians for Joe Jackson. CLE WAR: 14.5 CWS WAR: 27.8 CLE won by 13.3 WAR.

February 11, 1914: The Boston Braves traded Bill Sweeney and cash to the Chicago Cubs for Johnny Evers. BSN WAR: 7.0 CHC WAR: 1.4 BSN won by 5.6 WAR.

December 15, 1912: The Chicago Cubs traded Harry Chapman, Grover Lowdermilk and Joe Tinker to the Cincinnati Reds for Red Corriden, Bert Humphries, Pete Knisely, Mike Mitchell and Art Phelan. CIN WAR: 3.8 CHC WAR: 7.7 CHC won by 3.9 WAR.

July 23, 1910: The Cleveland Indians traded Bris Lord to the Philadelphia Athletics for a Joe Jackson and Morrie Rath. PHA WAR: 6.6 CLE WAR: 35.2 CLE won by 28.6 WAR.

February 16, 1909: The Boston Red Sox traded Cy Young to the Cleveland Indians for Charlie Chech, Jack Ryan and $12,500. BOS WAR: -0.6 CLE WAR: 5.7 CLEvwon by 6.3 WAR.

December 13, 1907: The Boston Braves traded Al Bridwell, Tom Needham and Fred Tenney to the New York Giants for Frank Bowerman, George Browne, Bill Dahlen, Cecil Ferguson and Dan McGann. BSN WAR: 10.8 NYG WAR: 19.5 NYG won by 8.7 WAR.

December 15, 1905: The Boston Braves traded Vic Willis to the Pittsburgh Pirates for Dave Brain, Del Howard and Vive Lindaman. BSN WAR: 9.8 PIT WAR: 22.1 PIT won by 12.3 WAR.

December 12, 1903: The Brooklyn Superbas traded Bill Dahlen to the New York Giants for Charlie Babb, Jack Cronin and $6,000. BRO WAR: 5.9 NYG WAR: 14.6 NYG won by 8.7 WAR.

The Chicago Cubs traded Larry McLean and Jack Taylor to the St. Louis Cardinals for Mordecai Brown and Jack O’Neill. STL WAR: 11.5 CHC WAR: 48.6 CHC won by 37.1 WAR.

December 15, 1900: The Cincinnati Reds traded Christy Mathewson to the New York Giants for Amos Rusie. CIN WAR: -0.7 NYG WAR: 100.2 NYG won by 100.9 WAR.