Rookie quarterback Justin Fields came off the bench in the second quarter and rallied the Chicago Bears from a 13-0 deficit to a 20-13 win over the Miami Dolphins at Soldier Field to start each team's preseason.

MIAMI - Gaej Walker ran for a touchdown, Steven Duncan passed for another and the Western Kentucky defense made a big goal-line stand as the Hilltoppers defeated Florida International 20-14 in a Conference USA opener on Saturday. Late in the fourth quarter with WKU leading 20-14, FIU had 2nd-and-goal from the 2-yard line. Western Kentucky took over and was able to run out the clock after gaining one first down. Cory Munson added his second field goal of the game, a 44-yarder early in the fourth quarter. Morgan was 3 of 11 for 25 yards; Wiggins 2 of 6 for 41 yards.