"The Cubs are taking on last-place Houston on Monday in search of their second straight win, and new infielder DJ LeMahieu is on the roster after being called up from Double-A Tennessee to replace Jeff Baker.

The Cubs may need yet another outfielder after Alfonso Soriano went down with a left quad injury while running out a grounder in the first. He's going to get an MRI, but it's doubtful he'll be back in a few days from the looks of it.

After newcomer Rodrigo Lopez spotted the Astros a pair in the first, the Cubs scored three in their half on Darwin Barney's triple, an RBI single by Starlin Castro and Carlos Pena's two-run homer. Tony Campana scored in the second after beating out a grounder to second, stealing second, stealing third and coming home on a throwing error. "