If there's a sliver of hope: What Collins is trying to do has been done before.
All-Decade OT Jason Peters tore the same Achilles tendon twice in the 2012 offseason at age 30. He missed all of 2012, and the came back in 2013-16 to make two All-Pro teams and four straight Pro Bowls.
Peters was still in the league last season, starting two games for the Seahawks at age 41.