Garciaparra alienated himself from the clubhouse and sulked.
Lowe was a man-whore and his performance suffered as a result
Manny was a complete douchebag, faking injuries, abusing team officials, etc.
Varitek....is going through a divorce. I dont see how the FO would possibly spin that to get him out of town. That's like if they got rid of Drew after last season using the excuse that he sucked cause his kid was sick.