Through five years in the NFL, J.J. Watt has yet to miss a game.

The former Wisconsin star notched yet another Associated Press Defensive Player of the Year honor after recording 17.5 sacks and leading the Houston Texans to the playoffs in 2015. The public knew that Watt played his final three games with a club cast to protect a broken hand he suffered in early December.

But the public didn’t know about all the other ailments he played through.

During an interview with Sports Radio 610, Watt revealed that he dealt with a herniated disk in his back for basically the second half of the season. Even better, reported that Watt had five partially or fully torn muscles in his torso, groin and upper legs. He reportedly needed surgery on both sides of his body.

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According to ESPN, Watt had a partially torn right adductor longus, a fully torn left adductor longus and a fully torn left adductor pectineus in his inner thighs and groin. The partial tears were in his left and right abdominals.

It’s believed that some of those were early-season injuries, though it’s unclear with how long Watt played through those injuries.

Either way, Watt still kept his consecutive game streak intact. And amazingly enough, he isn’t going through any rehab right now.

Instead, of course, he’s training.

Watt flew 20 teammates up to his cabin in Wisconsin with the goal of getting to “Rocky IV levels.” Unsurprisingly, he spent his birthday training: