Braxton Berrios' season is over ... he's been officially diagnosed with a torn ACL -- but his girlfriend, Alix Earle, is making it clear she's going to be in his corner until he's back and better than ever.
The Dolphins star return man was hurt during Miami's 16-10 loss to the Colts on Sunday ... and after test results Monday revealed he'll need several months to return to 100 percent, Earle took to her Instagram page to express her heartbreak over the situation.