FILE - Northwestern offensive lineman Rashawn Slater, participates in the school's Pro Day football workout for NFL scouts Tuesday, March 9, 2021, in Evanston, Ill. The acquisition of Sam Darnold via trade earlier this month has given the Carolina Panthers more options with the No. 8 pick in the NFL draft. Carolina's most pressing need entering the draft is at left tackle, a position they have failed to solidify over the last seven seasons. (AP Photo/Charles Rex Arbogast, File)

File-This Sept. 21, 2019, file photo shows Oregon offensive linemen Shane Lemieux (68) and Penei Sewell (58) blocks for quarterback Justin Herbert (10) against Stanford during the first half of an NCAA college football game in Stanford, Calif. 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 Sewell, Northwestern tackle Rashawn Slater and Penn State linebacker Micah Parsons.(AP Photo/Tony Avelar, File)

FILE - Christian Darrisaw lineman pauses for a drink during Virginia Tech pro day in Blacksburg, Va., in this Friday, March 26, 2021, file photo. The Las Vegas Raiders spent the free agency period dismantling their offensive line and mostly ignoring the secondary. Now heading into the NFL draft, those are the two spots that appear to be the most urgent needs for the Raiders to fill starting with pick No. 17 in the first round. (AP Photo/Matt Gentry, File)