Al Niemiec was traded 2 times:

Acquired: $0.00 - Sent: $147,000.00 = $-147,000.00
Acquired: 2773 G - Sent: 2712 G = 61 Games
Acquired: 8806 PA - Sent: 8706 PA = 100 Plate Appearances
Acquired: 6247.0 - Sent: 4863.0 = 1384.0 Innings Pitched
Acquired: $0.00 - Sent: $3,000.00 = $-3,000.00
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.

View the site on Github.