The Cardinals have scored 13 unanswered points in the second quarter to bring themselves within a field goal of the Rams.
Cardinals quarterback Blaine Gabbert has rebounded from his rough first quarter, as he tossed a 15-yard touchdown pass to receiver Larry Fitzgerald, who earlier in the game became the fastest player to 1,200 career receptions (214 games).
The Rams held a 16-13 lead with just over 3 minutes remaining in the half.
Cardinals rush for TD
Elijhaa Penny rushed for a 1-yard touchdown, capping a nine-play, 67-yard scoring drive for the Cardinals, who have pulled to within 16-7 of the Rams in the second quarter Sunday at University of Phoenix Stadium.