Arizona Cardinals defensive end J.J. Watt recently announced that he will retire from the NFL at the end of the season. In October, he also revealed that he had a heart problem.Watt revealed that he had atrial fibrillation. This is a rapid and irregular heartbeat that can create blood clots in the heart and raise the risk of stroke and heart failure.After revealing his heart issue, Watt went on to play the following week's game against the Carolina Panthers:"I was just told somebody leaked some personal information about me and it’s going to be reported on today. I went into A-Fib on Wednesday, had my heart shocked back into rhythm on Thursday and I’m playing today. That’s it."JJ Watt@JJWattI was just told somebody leaked some personal information about me and it’s going to be reported on today.I went into A-Fib on Wednesday, had my heart shocked back into rhythm on Thursday and I’m playing today.That’s it.21286410489I was just told somebody leaked some personal information about me and it’s going to be reported on today.I went into A-Fib on Wednesday, had my heart shocked back into rhythm on Thursday and I’m playing today.That’s it.J.J. Watt is just 33 years old and has already had a fantastic career in the NFL. In a tweet he shared last night, Watt announced that the Week 16 game against the Tampa Bay Buccaneers was his last-ever home game in the NFL.He wants to spend more time with his young family, which is why he has decided to retire. His last two games in the NFL will be against the Atlanta Falcons and the San Francisco 49ers respectively. Hopefully, he will get the ovation he deserves in both games.JJ Watt@JJWattKoa’s first ever NFL game. My last ever NFL home game. My heart is filled with nothing but love and gratitude. It’s been an absolute honor and a pleasure. 🏼32508520735Koa’s first ever NFL game. My last ever NFL home game. My heart is filled with nothing but love and gratitude. It’s been an absolute honor and a pleasure. 🙏🏼 https://t.co/wXbDUcHM8BA look back at the legendary career of J.J. WattJ.J. Watt: Houston Texans v Chicago BearsJ.J. Watt was drafted by the Houston Texans as the 11th overall pick in the 2011 NFL Draft. He played for Wisconsin and Central Michigan during his collegiate career.In his 12 seasons in the NFL, Watt has 445 solo tackles, 135 assists, 111.5 sacks, 17 fumble recoveries, and two interceptions. He was selected to play in five Pro Bowls, has won three Defensive Player of the Year awards and also the Walter Payton NFL Man of the Year award.NFL@NFLNot only did @JJWatt have 20.5 sacks and 29 tackles for loss in his unforgettable 2014 DPOY season...He scored FIVE TDs (via @NFLLegacy)9456785Not only did @JJWatt have 20.5 sacks and 29 tackles for loss in his unforgettable 2014 DPOY season...He scored FIVE TDs 🔥 (via @NFLLegacy)https://t.co/xgdavKSP5PHe was released by the Houston Texans after the 2020 season and went on to sign with the Arizona Cardinals. Watt is a future Hall of Famer and will be regarded as one of the best-ever defensive players in the history of the game.His two younger brothers, Derek and T.J. Watt, both play for the Pittsburgh Steelers and will be carrying his legacy going forward.