Diamondbacks aim to improve standing in opener vs. Padres

(Photo credit: Rob Schumacher/The Republic / USA TODAY NETWORK via Imagn Images)There are many unknowns as the Arizona Diamondbacks finish the regular season with a three-game series against the San Diego Padres.

But Arizona knows it needs to rack up as many wins as it can, beginning with Friday night's game with the Padres in Phoenix.

The Diamondbacks (88-71) are part ofa three-team battle for the final two National L