Iowa scored 34 points in a single half for the first time since 2017 during the Hawkeyes’ 40-0 season-opening win over Illinois State on Saturday. Quarterback Cade McNamara completed 21 of 31 passing attempts for 251 yards and three touchdowns — most of which came in the second half — during his first game back since tearing his ACL last fall. Despite a slow start, the Iowa offense finished the game with 492 total yards in the shutout victory. CLICK HERE to go to PrizePicks and use code ON3 to receive a guaranteed $50 once you play $5 in lineups! “This was a game of just sticking to the plan a…