The San Francisco Giants will attempt to complete their winningest homestand since their 2012 championship season when they go for a series sweep against the Colorado Rockies on Thursday afternoon. Right-handers Chris Stratton (8-5, 4.14 ERA) of the Giants and Jon Gray (7-7, 5.52) of the Rockies are scheduled to duel in a rematch of a May 19 meeting in San Francisco won by the Giants 9-4.