Jack O'Neill was traded 2 times:

Acquired: $0.00 - Sent: $2,400.00 = $-2,400.00
Acquired: 1341 G - Sent: 1069 G = 272 Games
Acquired: 4083 PA - Sent: 1762 PA = 2321 Plate Appearances
Acquired: 5469.0 - Sent: 8426.0 = -2957.0 Innings Pitched
Acquired: $0.00 - Sent: $0.00 = $0.00
Acquired: 262 G - Sent: 264 G = -2 Games
Acquired: 905 PA - Sent: 476 PA = 429 Plate Appearances
Acquired: 0.0 - Sent: 1653.0 = -1653.0 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.