MIAMI -- Hunter Pence hit two doubles, a triple and drove in five runs to lead the San Francisco Giants to a 14-10 victory over the Miami Marlins on Friday night.
San Francisco's offence broke loose after averaging 2.73 runs per game since the All-Star break, the second-fewest in the majors.
The Marlins scored their second-most runs since June 2.
Both starting pitchers struggled.
Sandy Rosario (3-0) pitched two scoreless innings for the win.
The Giants jumped out to a 4-0 lead in the first keyed by a two-run double from Sandoval.
Pence, who drove in a run in the first on a grounder, delivered a two-run double in the second and Sandoval followed with an RBI single to stretch the lead to 7-0.
Polanco left in the eighth when he was hit in the back of the head by a pitch from Santiago Casilla.
Pence came through again in the fourth with an RBI double followed by a three-run homer by Sanchez to extend the lead to 11-4, ending Eovaldi's night. Gregor Blanco added an RBI single later in the inning.
Despite the large deficit, the Marlins fought back again beginning with a solo homer and a two-run double by Ruggiano, who came off the bench in a double switch, to pull to 12-7. Yelich and Solano followed with RBI singles in the fifth to make it 12-9.
Through five innings, the teams combined for 21 runs and 29 hits as each team batted around twice.
Belt and Pence hit back-to-back RBI triples in the seventh to push the lead to 14-9.
Ruggiano hit his second home run of the game in the bottom of the ninth.
NOTES: Ruggiano homered for the first time at Marlins Park after hitting 12 away from Miami. ... Belt extended his hitting streak to 11 games with a single in the first. ... Miami reliever Arquimedes Caminero made his major league debut in the eighth. ... San Francisco's previous high in runs this season was 10 (done seven times) and hits was 17 (three times). ... The Giants will send RHP Matt Cain (7-8, 4.44 ERA) to the mound on Saturday to face Marlins RHP Henderson Alvarez (2-1, 3.18).