NFL alum Mark Sanchez returned to social media for the first time since his shocking arrest to mourn his former New York Jets teammate Nick Mangold after his death at 41. "We lost a good man today. I know @realnickmangold will be a hall-of-famer, but there's more to his story than his accomplishments on the gridiron," Sanchez, 38, wrote via Instagram on Sunday, October 26. "He was more than a teammate. He was my big brother who introduced me to the NFL. He showed me the ropes." He continued, "He was my friend and confidant.