Kaleb Johnson leads Iowa's 28-point third-quarter outburst in a 40-14 win over Northwestern

IOWA CITY, Iowa (AP) — Kaleb Johnson rushed for 109 yards and three touchdowns and backup quarterback Brendan Sullivan added another rushing touchdown as Iowa beat Northwestern 40-14 on Saturday. The Hawkeyes (5-3, 3-2 Big Ten) scored 28 points in…