The Arizona Diamondbacks' descent away from contention continues, as they were shut out by Paul Skenes and the Pittsburgh Pirates Sunday, losing 6-0 and dropping the series. Zac Gallen gave up early runs, and the offense once again couldn't string together at-bats.

This makes it back-to-back shutout losses to the Mariners, as they dropped a 6-0 contest in the series opener on July 4. It also makes it four straight road series that they Pirates have lost.

Diamondbacks pitchers Ryne Nelson, Anthony DeSclafani and Kevin Ginkel shut out the Pirates through 11 innings on Friday evening.

This article originally appeared on PGHBaseballNOW.com. The Pittsburgh Pirates had their six-game winning streak end with a 6-0 loss to the Seattle Mariners on the Fourth of July.

This makes it back-to-back shutout losses to the Mariners, as they dropped a 6-0 contest in the series opener on July 4. It also makes it four straight road series that they Pirates have lost.