Stanford QB K.J. Costello to miss game against USC
QB K.J. Costello's return provides optimism for Stanford
K.J. Costello: Stanford QB enters transfer portal - Sports Illustrated
Breaking: QB K.J. Costello ruled out vs Oregon State - Building
Transaction: Chargers Sign Quarterback KJ Costello
Stanford QB Costello questionable for USC game - ESPN
Stanford QB KJ Costello Highlights [2017-18] ᴴᴰ
KJ Costello: Mississippi State adds former Stanford QB - Sports
Stanford quarterback K.J. Costello injures hand early in loss to
Pac-12 football: Stanford beats Northwestern Wildcats
Stanford University quarterback KJ Costello passes the ball during
K.J. Costello of the Stanford Cardinal drops back to pass against