San Diego Padres manager Mike Shildt's retirement on Saturday took baseball fans by surprise. The decision comes in the wake of the NL West team's postseason exit after the NL Wild Card series loss against the Chicago Cubs.Shildt was expected to return for the 2026 season after guiding the team to successive playoff appearances. The 57-year-old said the decision came in the wake of health issues and death threats during the season.Padres president of baseball operations A.J. Preller confirmed that the veteran manager faced threats from sports gamblers, contributing to his surprise retirement.Fans reacted to the news on social media."Why are Padres fans so violent?"Hector Trujillo @sdsteelerLINKWhy are Padre fans so violent?"I don’t care for the Padres. I really don’t like the way a few of their players act and play the game. But, death threats to a manager, coach or player is absolutely unacceptable. This is a game people. Your life should not be any better or any worse, whether they win or lose."Adam Sanders @pointingdogguyLINKI don’t care for the Padres. I really don’t like the way a few of their players act and play the game. But, death threats to a manager, coach or player is absolutely unacceptable. This is a game people. Your life should not be any better or any worse whether they win or lose"Damn I didn’t agree with Shildty a lot of times but death threats is insane 😑"SEXYY FRED @sexyyfredLINKDamn I didn’t agree with Shildty a lot of times but death threats is insane 😑"Sports fans are insane. It's not that important folks. Has to be gamblers."The Proud Rebel @the_proud_rebelLINKSports fans are insane. It's not that important folks. Has to be gamblers."There’s some idiot people out there….ridiculous!"JUDO ⚾️ @JudoRed_LINKthere’s some idiot people out there….ridiculous!Former Padres manager Mike Shildt rules out MLB return after surprise retirementWhile the Padres made a disappointing exit from the postseason, Mike Shildt said there were no half-measures in their preparations.“I don’t want people to think I checked out or wasn’t engaged or wasn’t doing my job,” Shildt said. “No, that’s not the case. I tell myself, and I have done it since day one of this job, regardless of level … I’m going bell to bell. I’m going to give it everything I got. Because I owe it to the team and the players. So, I did that."Shildt said he suffered health issues during the season and had trouble sleeping due to the demanding role in San Diego. The veteran manager said he is not looking to return to management anytime soon and intends to retire to his beach house in North Carolina.