The Cleveland Guardians lost in their first home game using their new name as Carlos Rodón allowed one run in seven innings and Joey Bart hit a two-run homer in the eighth to lead the San Francisco Giants to a 4-1 victory Friday night. Rodón (1-0) struck out nine, giving up two hits and a pair of walks as the Giants won their third straight. Brandon Crawford and Joc Pederson added solo homers, and Camilo Doval pitched the ninth for his second save.