Justin Williams was traded 2 times:

Acquired: $0.00 - Sent: $4,275,000.00 = $-4,275,000.00
Acquired: 180 G - Sent: 192 G = -12 Games
Acquired: 339 PA - Sent: 130 PA = 209 Plate Appearances
Acquired: 709.0 - Sent: 1136.0 = -427.0 Innings Pitched
Acquired: $0.00 - Sent: $4,100,000.00 = $-4,100,000.00
Acquired: 226 G - Sent: 634 G = -408 Games
Acquired: 967 - Sent: 1668 = -701 Plate Appearances
Acquired: 0.0 - Sent: 343.0 = -343.0 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.