Skalski lowered his head and hit LSU receiver Justin Jefferson with the crown of his helmet after Jefferson caught a pass from Joe Burrow.

MORE: Live scoring updates, highlights of LSU-Clemson

The Pac-12 officiating crew working the game stopped play to review the play, ejecting Skalski after a video review.

Skalski, a junior, was one of Clemson’s most active defenders while he was on the field, registering four tackles (three solo) and a sack.

Targeting is college football’s most controversial rule, and the Skalski call produced a strong — and in many cases negative — reaction from players past and present, including an NFL MVP and a Pro Football Hall of Famer: