Ahmed delivered the walk-off hit, an RBI single to left off of Cubs reliever Zac Rosscup that scored Tuffy Gosewisch, who had reached on a one-out double. Ahmed went 3-for-6, also hitting his first homer of the season in the fifth, a solo blast off of Jon Lester.
The D-backs shortstop is 7-for-13 with four RBIs during the team's five-game winning streak, raising his batting average to .