Clemson Tigers wide receiver Mike Williams (7) during the Fiesta Bowl NCAA college football playoff game against the Ohio State Buckeyes on Saturday, Dec. 31, 2016 in Glendale, Ariz. (Ric Tapia via AP)

Clemson wide receiver Mike Williams runs to catch the ball at the NFL football scouting combine on Saturday, March 4, 2017, in Indianapolis. (Aaron M. Sprecher via AP)

Clemson's Mike Williams leaps to make a catch during the second half of the NCAA college football playoff championship game against Alabama Monday, Jan. 9, 2017, in Tampa, Fla. (AP Photo/Chris O'Meara)

Images taken of Clemson wide receiver Mike Williams during the 2017 NFL Scouting Combine on Friday, March 3, 2017 in Indianapolis, IN. (Todd Rosenberg via AP)

Clemson Tigers wide receiver Mike Williams (7) during the Fiesta Bowl NCAA college football playoff game against the Ohio State Buckeyes on Saturday, Dec. 31, 2016 in Glendale, Ariz. (Ric Tapia via AP)

FILE - In a Saturday, Nov. 19, 2016 file photo, Clemson's Mike Williams (7) runs past Wake Forest's Jessie Bates III (3) during the first half of an NCAA college football game in Winston-Salem, N.C. After suffering a broken bone in his neck in 2015 in a collision with a goal post, Williams is back and better than ever. He probably will be the first receiver chosen in the NFL draft. (AP Photo/Chuck Burton, File)

Clemson wide receiver Mike Williams runs a drill at the NFL football scouting combine Saturday, March 4, 2017, in Indianapolis. (AP Photo/David J. Phillip)

Images taken of Clemson wide receiver Mike Williams during the 2017 NFL Scouting Combine on Friday, March 3, 2017 in Indianapolis, IN. (Todd Rosenberg via AP)

Clemson wide receiver Mike Williams before an NCAA college football game against Boston CollegEe.

Clemson Tigers wide receiver Mike Williams reacts after scoring a touchdown in the second half during the NCAA Playoff National Championship game.