D-backs walking fine line ahead of rematch vs. Padres

(Photo credit: Joe Camporeale-Imagn Images)
The Arizona Diamondbacks will have little margin for error when they take on the San Diego Padres on Saturday night in Phoenix.

Arizona lost some wiggle room in its battle for a National League playoff spot by dropping a 5-3 decision in the opener of the three-game series on Friday.

The Diamondbacks (88-72) are one of three teams battling for the final two wild-card spots. But