J.A. Happ was traded 6 times:

Acquired: $0.00 - Sent: $470,000.00 = $-470,000.00
Acquired: 74 G - Sent: 320 G = -246 Games
Acquired: 83 - Sent: 775 = -692 Plate Appearances
Acquired: 665.0 - Sent: 998.0 = -333.0 Innings Pitched
Acquired: $0.00 - Sent: $8,335,000.00 = $-8,335,000.00
Acquired: 246 G - Sent: 1238 G = -992 Games
Acquired: 341 - Sent: 2359 = -2018 Plate Appearances
Acquired: 1816.0 - Sent: 4222.0 = -2406.0 Innings Pitched
Acquired: $0.00 - Sent: $5,200,000.00 = $-5,200,000.00
Acquired: 149 G - Sent: 22 G = 127 Games
Acquired: 594 PA - Sent: 2 PA = 592 Plate Appearances
Acquired: 0.0 - Sent: 326.0 = -326.0 Innings Pitched
Acquired: $0.00 - Sent: $6,700,000.00 = $-6,700,000.00
Acquired: 1 G - Sent: 22 G = -21 Games
Acquired: 0 - Sent: 25 = -25 Plate Appearances
Acquired: 14.0 - Sent: 190.0 = -176.0 Innings Pitched
Acquired: $0.00 - Sent: $13,000,000.00 = $-13,000,000.00
Acquired: 271 G - Sent: 53 G = 218 Games
Acquired: 932 PA - Sent: 4 PA = 928 Plate Appearances
Acquired: 0.0 - Sent: 823.0 = -823.0 Innings Pitched
Acquired: $0.00 - Sent: $8,000,000.00 = $-8,000,000.00
Acquired: 16 G - Sent: 21 G = -5 Games
Acquired: 0 - Sent: 15 = -15 Plate Appearances
Acquired: 101.0 - Sent: 162.0 = -61.0 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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