Big news in sports the past few days: Daniel Fells, tight end for the New York Giants, is battling a MRSA infection so severe that he has been hospitalized in isolation and had multiple surgeries. Some news stories have speculated doctors may amputate his foot in an attempt to corral the infection.

It’s a tragic situation for the player, and no doubt frightening for the team, which is reported to have sought medical advice and scrubbed down their locker rooms to prevent any additional cases.

What it’s not, unfortunately, is new. MRSA—the acronym for methicillin-resistant Staphylococcus aureus, staph bacteria that are resistant to multiple classes of antibiotics—has been dogging sports teams for more than 20 years. And for at least