The San Francisco Giants have played eight straight games decided by one run, losing four of them.San Francisco Giants starting pitcher Matt Cain delivers in the first inning of a baseball game against the San Diego Padres, Friday, April 18, 2014, in San Diego.San Diego Padres right fielder Chris Denorfia climbs the wall but can't make a play on this ninth inning home run by San Francisco's Brandon Belt of a MLB baseball game Friday, April 18, 2014, in San Diego. San Diego Padres won 2-1.San Francisco Giants starting pitcher Matt Cain takes a moment to get up after slipping on the mound after delivering a pitch in the first inning of a baseball game against the San Diego Padres, Friday, April 18, 2014, in San Diego.San Francisco Giants relief pitcher Juan Gutierrez looks to the outfield after giving up a solo home run to San Diego Padres' Yasmadi Grandal in the eighth inning of a MLB baseball game Friday, April 18, 2014, in San Diego. San Diego Padres won 2-1.