Giants trade for Astros infielder Keppinger
The pitchers are Henry Sosa and Jason Stoffel, according to an Astros spokesman.
Sosa, 25, is 3-1 with a 10.41 ERA in 17 appearances -- all in relief -- at Class AAA Fresno.
Stoffel, 22, also a reliever, is 1-2 with a 3.98 ERA in 32 games. He was the Giants' fourth-round pick in the 2009 amateur draft.