Shohei Ohtani hit his first postseason home run as the Los Angeles Dodgers came from behind twice to beat the San Diego Padres 7-5 in Game 1 of their National League Division Series on Saturday. The red-hot Ohtani tied the game at 3 with a three-run homer in the second inning, and Teoscar Hernandez singled in two runs to give the Dodgers the lead for good at 6-5 in the fourth. Ohtani’s Japanese teammate Yoshinobu Yamamoto had a shaky playoff debut, giving up five runs on five hits in three innings at Dodger Stadium. The Dodgers bullpen held the Padres to just two hits the rest of the way. Ohta…