Jerry Koosman was traded 3 times:

Acquired: $0.00 - Sent: $4,183,000.00 = $-4,183,000.00
Acquired: 1625 G - Sent: 2090 G = -465 Games
Acquired: 2231 - Sent: 3255 = -1024 Plate Appearances
Acquired: 4438.0 - Sent: 9453.0 = -5015.0 Innings Pitched
Acquired: $0.00 - Sent: $0.00 = $0.00
Acquired: 223 G - Sent: 87 G = 136 Games
Acquired: 727 PA - Sent: 0 PA = 727 Plate Appearances
Acquired: 0.0 - Sent: 1110.0 = -1110.0 Innings Pitched
Acquired: $0.00 - Sent: $0.00 = $0.00
Acquired: 53 G - Sent: 110 G = -57 Games
Acquired: 1 - Sent: 126 = -125 Plate Appearances
Acquired: 219.0 - Sent: 970.0 = -751.0 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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