Smith’s first hit with the Padres came on a 2-0 pitch from Brian Wilson, who started the eighth after Hyun-Jin Ryu threw seven scoreless innings. It sailed an estimated 360 feet into the right-field seats. It was his seventh career pinch-hit homer.
He was acquired in an offseason trade with Oakland for reliever Luke Gregerson.
Dale Thayer (1-0) pitched a perfect eighth for the win. Huston Street pitched the ninth for the save.