’Twas a dark NFL Sunday.

Two major injuries rattled the league in Week 15. First, superstar Kansas City Chiefs quarterback Patrick Mahomes tore his ACL in the final two minutes of his team’s loss to the LA Chargers. But that wasn’t all: hours later, Green Bay Packers defensive tackle Micah Parsons went down with a non-contact knee injury that was later confirmed to be an ACL tear. Today’s episode of The GIST of It takes a look at how these devastating injuries will impact the NFL.