J.J. Watt had five partially or fully torn muscles in his core area during the 2015 season.

Watt underwent surgery on both sides of his body.

Watt had partially torn left and right abdominals and a partially torn right adductor longus. He also had a fully torn left adductor longus and a fully torn left adductor pectineus, which are two of the three muscles that connect the pelvic bone to the left thigh bone.

Watt broke his hand on Dec. 9 and played three games with a club cast.

Watt didn't miss any games due to injuries.