Astros add RHP Shawn Dubin back to bullpen

(Photo credit: Troy Taormina-USA TODAY Sports)
The Houston Astros recalled right-hander Shawn Dubin on Saturday from Triple-A Sugar Land and optioned right-hander Alex Speas to Triple-A.

Dubin, 28, returns to the Astros after going 0-1 with a 6.59 ERA in nine relief appearances earlier this season. He has a 6.75 ERA in 12 career appearances over two seasons for Houston.

Speas, 26, gave up one run in two innings Friday d