To All Baseball Fans - re: players acquired by your favorite team?

Of all the trades (or free agent signings) your favorite baseball team has made since you've been a fan, what player did you hate the most while he played for ANOTHER team, but you loved him when he was with YOUR team? Answers can go back as far into history as anyone's memories will take them. Thanks in... show more Of all the trades (or free agent signings) your favorite baseball team has made since you've been a fan, what player did you hate the most while he played for ANOTHER team, but you loved him when he was with YOUR team?
Answers can go back as far into history as anyone's memories will take them.
Thanks in advance to all who answered.
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