Why did Trey Sermon post 2nd-fastest 10-yd split of draft RBs but only a 4.6 40? I've dug for answer.
— David Lombardi (@LombardiHimself) May 13, 2021
Sermon's HS track coach Antwan Toomer: "He was smooth coming out of drive phase (first 10 yards), but pushed too hard and clenched up" rest of the way.
Great news for 49ers