Head athletic trainer Ron Courson "said it would be in my best interest to not play contact sports anymore so that it wouldn't be permanent if it happened again," Johnson said.
Johnson, who former walk-on who earned a scholarship this offseason, dressed out for senior day.
"Senior day was something special," he said. "I just wanted to be like everybody else. That was probably my last time putting on the football equipment. It's real, real disappointing when something you love is taken away from you prematurely."
Johnson was pressed into a more prominent role in the last month due to several injuries. He finishes this season with nine carries for 22 yards
"I got a taste," he said. "It doesn't make it better. It makes me wonder: what if? What if I didn't get hurt?"
STURDIVANT STILL STURDY: Freshman left tackle Trinton Sturdivant hasn't had any complications after suffering an ankle injury against Kentucky, head coach Mark Richt said. Sturdivant was expected to participate in most of Tuesday's practice and be full speed by today.
In other injury news, senior running back Kregg Lumpkin (knee) could be available to play next week if the Bulldogs go to the SEC championship game.
MILLER ON MOVE: After playing exclusively at defensive end against Kentucky, senior Brandon Miller is meeting and practicing with the defensive ends this week. Miller still may play at linebacker this year, defensive coordinator Willie Martinez said.