PHILADELPHIA — The Giants’ bullpen has been one of this team’s stronger units to start the season, but Ryan Walker blew his second save by allowing two runs in the bottom of the ninth as San Francisco kicked off Thursday’s split doubleheader with a 3-2 loss against the Philadelphia Phillies.

San Francisco Giants (13-18, fifth in the NL West) vs. Tampa Bay Rays (18-12, second in the AL East) St. Petersburg, Florida; Friday, 7:10 p.m. EDT. PITCHING PROBABLES: Giants: Ro

Logan Webb will start on the mound for the San Francisco Giants in Game 2. The 29-year-old is having a rough campaign, although he posted solid starts in the last two outings. Webb pitched 37.0 innings over his six appearances thus far with a 2-3 record and a 4.86 ERA.

San Francisco Giants vs Philadelphia Phillies Game Preview

Rain delay in Philadelphia forces the San Francisco Giants to reschedule a doubleheader for Thursday against Phillies.

Glen Kuiper is set to be on the Giants' radio broadcast for the road trip this week.