The final series of April was a clear illustration of how the first month of 2026 went for the San Francisco Giants: It was soul-shattering. After getting beaten down, 7-0, in Game 1 of their three-game set in Philadelphia against the Phillies, the Giants were swept in a doubleheader on Thursday to cap things off. Even worse, both losses in the twin billing were walk-off wins for Philly. Talk about a lot of extra salt in an already painful wound. After a two-hour break following the afternoon contest, the two teams moved on to the evening affair - one that ended up going to extra innings, tied 5-5. After the Giants failed to score in the top of the 10th, Philadelphia’s Alec Bohm delivered the decisive blow with a walk-off sacrifice fly, scoring the winning run. The Phillies sweep the Giants and begin the Don Mattingly era 3-0! pic.twitter.com/F5ALZbJxWQ — Talkin' Baseball (@TalkinBaseball_) May 1, 2026 It marked a rare feat for the Phils. Two walk-off wins in a single day. But for San Fran?…