Calvin Johnson shares disturbing photo of his jacked up finger (GRAPHIC)

Calvin Johnson stiffarms Andrew Sendejo of the Minnesota Vikings in October 2015 but watch that finger.

Dave Reginek/Getty Images

Detroit Lions wide receiver Calvin Johnson announced to much surprise in March that he was hanging up his cleats.

The 6-foot-5 Megatron frequently played through injuries and that took a toll over nine seasons. On one occasion, Johnson went under the knife to repair a finger he jacked up.

If Johnson snapped that photo himself during surgery he’s a braver man than we thought and maybe has a post-football career in medicine.

Just finished a set of push-ups…was I doing it right? #KeepPounding #VladsGym

A photo posted by Charles Tillman (@peanuttillman) on

As far as NFL players and finger injuries go, there’s plenty of competition. Former 49ers safety Ronnie Lott had part of his broken pinkie finger amputated in April 1986 to avoid a reconstructive surgery and subsequent rehabilitation. There’s also Michael Strahan, whose finger does this:

And then there’s Tillman’s Panthers teammate Thomas Davis and I think we’ll stop here for now: