The worst breakups in Red Sox history
Shortstop: Nomar Garciaparra
Nomar deeply resented the Sox attempts to trade for Alex Rodriguez and rejected a four-year, $60 million contract extension before the 2004 season. To display his irritation, he milked a wrist injury even longer than necessary and was shipped to the Cubs in a four-team deal at the trading deadline for Doug Mientkiewicz and Orlando Cabrera. You know the rest.