SAN FRANCISCO (AP) — Alex Cobb had seven strikeouts in six crisp innings and combined with three relievers on a seven-hitter, and the San Francisco Giants ended their four-game losing streak by beating the Seattle Mariners 2-0. Making his second start since coming off the Injured List at the end of June, Cobb (6-2) allowed six hits and didn’t walk a batter to anchor the Giants’ eighth shutout of the season. Taylor Rogers and Tyler Rogers each retired three batters. All-Star closer Camilo Doval pitched the ninth for his 25th save.