Not even the Giants’ hottest pitcher right now could stop their current losing streak.After earning wins in his last four starts, right-hander Landen Roupp (4.1 IP, 8 H, 4 ER, 2 BB, 6 K) was doomed by walks in the fifth inning of San Francisco’s 5-1 loss to the Tampa Bay Rays on Saturday at Tropicana Field. The loss was just Roupp’s second of the 2026 MLB season and first since April 4, and also marked the Giants’ fifth defeat in a row.San Francisco had a chance to get on the board early against Rays opener Griffin Jax, when Heliot Ramos hit what likely should have been a solo home run to center field in the second inning. But although the ball appeared to strike the catwalk below the stadium’s roof before it was caught, the replay review was inconclusive and Ramos was ruled out — leading to ejections for Giants pitcher Adrian Houser and director of major league pitching Frank Anderson. *Takes deep breath*Heliot Ramos hits a long flyout, which he thought hit a catwalk at Tropicana Field and therefore should have been a home run, but after review, the call on the field stood, which led to pitcher Adrian Houser and assistant...