Ken Holtzman was traded 4 times:

Acquired: $0.00 - Sent: $56,500.00 = $-56,500.00
Acquired: 5222 G - Sent: 2649 G = 2573 Games
Acquired: 21133 PA - Sent: 6342 PA = 14791 Plate Appearances
Acquired: 1723.0 - Sent: 5589.0 = -3866.0 Innings Pitched
Acquired: $0.00 - Sent: $100,000.00 = $-100,000.00
Acquired: 460 G - Sent: 178 G = 282 Games
Acquired: 1294 PA - Sent: 558 PA = 736 Plate Appearances
Acquired: 1423.0 - Sent: 944.0 = 479.0 Innings Pitched
Acquired: $0.00 - Sent: $713,333.00 = $-713,333.00
Acquired: 4349 G - Sent: 2260 G = 2089 Games
Acquired: 10615 PA - Sent: 4427 PA = 6188 Plate Appearances
Acquired: 13691.0 - Sent: 10756.0 = 2935.0 Innings Pitched
Acquired: $0.00 - Sent: $4,415,000.00 = $-4,415,000.00
Acquired: 2107 G - Sent: 4003 G = -1896 Games
Acquired: 5316 - Sent: 9806 = -4490 Plate Appearances
Acquired: 4891.0 - Sent: 11197.0 = -6306.0 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.