File-This Oct. 18, 2019, file photo shows Ohio State defensive end, Chase Young, left, engaging Northwestern offensive lineman Rashawn Slater during the second half of an NCAA college football game in Evanston, Ill. Caleb Farley of Virginia Tech was the first top prospect to make the decision that has added a whole new layer of uncertainty to the annual crapshoot that is the NFL draft. Farley had plenty of players follow his lead, including several others set to be high draft picks next week like LSU receiver Chase, Oregon tackle Penei Sewell, Northwestern tackle Slater, and Penn State linebacker Micah Parsons.(AP Photo/Charles Rex Arbogast, File)

Northwestern tackle Rashawn Slater, right, holds a team jersey with NFL Commissioner Roger Goodell after the San Diego Chargers selected him with the 13th pick in the NFL football draft Thursday April 29, 2021, in Cleveland. (AP Photo/Tony Dejak)

Northwestern tackle Rashawn Slater greets fans after he was chosen by the San Diego Chargers with the 13th pick in the NFL football draft Thursday April 29, 2021, in Cleveland. (AP Photo/Tony Dejak)

Northwestern tackle Rashawn Slater, right, greets NFL Commissioner Roger Goodell after he was chosen with the 13th pick by the San Diego Chargers in the NFL football draft Thursday April 29, 2021, in Cleveland. (AP Photo/Tony Dejak)

FILE - Northwestern offensive lineman Rashawn Slater participates in the school's Pro Day football workout for NFL scouts in Evanston, Ill., in this Tuesday, March 9, 2021, file photo. Slater is as possible first round pick in the NFL Draft, April 29-May 1, 2021, in Cleveland. (AP Photo/Charles Rex Arbogast, File)