10.) Mark McGwire to the Cardinals (1997)
Teams: Oakland A's trade to the St. Louis Cardinals
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Deal: McGwire for 3 minor leaguers
Result: Hits 70 HR in 1998 and revitalized the franchise post-strike.
9.) Juan Soto to the Padres (2022)
Teams: Washington Nationals trade to the San Diego Padres
Deal: Soto & Bell for Abrams, Gore, Wood, Hassell, Susana, Voit
Result: The prospects the Nationals received was a large haul for a generational slugger.
8.) Ryne Sandberg to the Cubs (1982)
Teams: Philadelphia Phillies trade to the Chicago Cubs
Deal: Sandberg & Bowa for Ivan DeJesus
Result: Sandberg turned out to be undervalued by the Phillies, as he went on to win MVP and will forever be remembered as a Cubs legend.
7.) Randy Johnson to the Astros (1998)
Teams: Seattle Mariners trade to the Houston Astros
Deal: Johnson for Freddy García, Carlos Guillén, John Halama
Result: The hall of fame pitcher went on to dominate in this short term deal (10-1, 1.28 ERA).
6.) Mookie Betts to the Dodgers (2020)
Teams: Boston Red Sox trade to LA Dodgers
Deal: Betts & Price for Verdugo, Downs, Wong
Result: Turned out to be a lopsided deal as Betts led the Dodgers to a 2020 World Series win, while the Red Sox didn't get matched production.
5.) Miguel Cabrera to the Tigers (2007)
Teams: Florida Marlins trade to Detroit Tigers
Deal: Cabrera & Dontrelle Willis for 6 prospects (Maybin, Miller, etc.)
Result: One of the biggest regrettable trades, as Cabrera won back-to-back MVPs (2012+2013) and a Triple Crown.
4.) Nolan Ryan to the Angels (1971)
Teams: New York Mets trade to California Angels
Deal: Ryan for Jim Fregosi + three prospects (Leroy Stanton, Don Rose, and Frank Estrada)
Result: Ryan went on to have a hall of fame career and became known as the "strikeout king"
3.) Pedro Martínez to the Red Sox (1997)
Teams: Montreal Expos trade to Red Sox
Deal: Pedro for Carl Pavano & Tony Armas Jr.
Result: Went on to win two more Cy Young trophies (1999, 2000) and helped lead the Red Sox to their 2004 World Series victory.
2.) Lou Brock for Ernie Broglio (1964)
Teams: Chicago Cubs trade with Cardinals
Deal: Brock straight up for Broglio
Result: Brock became a hall of famer, while Broglio's career turned out to be a bit underwhelming; considered one of the most unfair trades in MLB history.
1.) Babe Ruth to the Yankees (1919)
Teams: Boston Red Sox trade to New York Yankees
Deal: Sold for $100,000 +$300,000 loan to finance a Broadway musical that had been produced by then Red Sox owner Harry Frazee.
Result: This started the "Curse of the Bambino" and the beginning of the Yankees dynasty, as Ruth won four titles with New York (1923, 1927, 1928, 1932) and is highly regarded as the most popular baseball player to ever exist.
Related: Top 3 Win-Win Trades In NBA History
