49ers rookies arrive: RB Guerendo ready to make quick first impression in NFL

SANTA CLARA — Isaac Guerendo stood still in his red size-12 sneakers Thursday as reporters interviewed him for the first time at Levi’s Stadium, his new home. From here on out, those feet could be among the fastest to put on a 49ers uniform and race through defenses.

Six years ago, Guerendo crossed the finish line first in the 100-yard dash to win an Indiana state championship for Avon High School, where his football coaches used him as a wide receiver rather than an NFL-bound running back.