John Cena, one of the icons of professional wrestling for the last two-plus decades, announced on Saturday he would be retiring from WWE. His final event will reportedly be Wrestlemania in 2025. Cena made the announcement in the ring at WWE’s “Money in the Bank” pay-per-view event in Toronto on Saturday. With the crowd listening in, he made his announcement brief. “Tonight, I officially announce my retirement from the WWE,” Cena said, followed by a wave of shocked and disappointed crowd noises. Cena was a mainstay in WWE from 2001 to 2018, gaining acclaim as one of the top-billed wrestlers. He…