Peter O'Brien was traded 2 times:

Acquired: $0.00 - Sent: $11,541,425.00 = $-11,541,425.00
Acquired: 236 G - Sent: 772 G = -536 Games
Acquired: 314 - Sent: 1958 = -1644 Plate Appearances
Acquired: 1863.0 - Sent: 737.0 = 1126.0 Innings Pitched
Acquired: $0.00 - Sent: $0.00 = $0.00
Acquired: 0 G - Sent: 0 G = 0 Games
Acquired: 0 - Sent: 0 = 0 Plate Appearances
Acquired: 0.0 - Sent: 0.0 = 0.0 Innings Pitched
Transactions current as of 2021 season. See an issue with this player? Please report it.

Transaction and player information was obtained from Retrosheet.

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