San Francisco at San Diego

San Francisco is 21-45 on the road and is second worst in baseball in runs scored and on-base percentage. And they're last in slugging. San Francisco plays its fourth straight road contest, riding a 2-6 run getting beat 11-0 yesterday in Arizona. The Giants are 13-27 against losing teams, plus 13-32 away against a right-handed starter. San Francisco trots out Jeff Samardzija, who is 3-7 on the road with a 5.05 ERA. He is winless in three starts against San Diego this season with a 7.27 ERA. San Diego has a winning home record and plays its third straight home contest. Starter Jhoulys Chacin is 7-2 with a 1.86 ERA at Petco Park this season and has gone 3-0 with a 3.04 ERA in four starts versus the Giants this year. San Francisco is just 19-34 against the N.L. West and has dropped 12 of its last 15 divisional contests, so back the home team. Play San Diego.