Law had performed superbly before he joined the DL on Aug. 28. He allowed one run in 24 appearances spanning 22 innings during July and August.
Overall, Law owns a 4-2 record with a 1.94 ERA. The rookie has struck out 47 and walked nine in 53 appearances. Opponents have batted just .212 against Law, who turns 26 on Wednesday.
• With his performances Friday (4-for-5, four runs scored) and Saturday (3-for-3, four runs), Giants right fielder Hunter Pence became the eighth player in baseball's modern era (since 1900) to amass at least three hits and four runs scored in back-to-back games, according to the Elias Sports Bureau. The others were Detroit's Pete Fox (1935), Cleveland's Hal Trosky (1936), Washington's Mel Almada (1937), Houston's Cesar Cedeno (1977), Milwaukee's Paul Molitor (1983), Oakland's Mark McGwire (1987) and the New York Mets' David Wright (2005).
Chris Haft has covered the Giants since 2005, and for MLB.com since 2007. Follow him on Twitter at @sfgiantsbeat and listen to his podcast. This story was not subject to the approval of Major League Baseball or its clubs.