WASHINGTON – Cubs catcher Carlos Ruiz hit a two-run homer to lift the Chicago Cubs to a 2-0 victory over the Pittsburgh Pirates on Friday night.

Chicago (13-11) snapped a three-game losing streak with a 6-4 victory at St. Louis on Wednesday night.

It snapped a two game losing streak over the Pirates.

Pirates starter Aaron Blair (7-7) allowed three runs on six hits in four innings.

The Cubs’ Carlos Ruisiz (0-3) hit a leadoff homer off Aaron Blair in the sixth inning.

Ruiz added a solo shot in the eighth inning.

He now has a .351 on-base percentage in eight games since coming off the disabled list.

Blair is 0-5 with a 4.18 ERA.

Pirates starter Aaron Bloch (5-5) allowed two runs on three hits and six walks over three innings.