LAS VEGAS — Christian McCaffrey looked like he’d seen a ghost in the San Francisco 49ers’ locker room. GO DEEPER 49ers' Dre Greenlaw tears Achilles in Super Bowl “I was sick to my stomach,” Warner said after the game. Dre Greenlaw in a boot and crutches after the game 😢 pic.twitter.com/29hsZhcBBv — 49ers on NBCS February 12, 2024 The team …