Ryosuke Tatsumi tripled in two runs to key a four-run fifth inning as the Rakuten Eagles rallied to beat the Orix Buffaloes 5-2 on Monday. The fourth-place Eagles got their first win in four games and returned to a .500 winning percentage while ending the fifth-place Buffaloes’ winning streak at four. The two teams are battling for a spot in the three-team Pacific League Climax Series playoffs to be held in October. Tatsumi’s triple off Taito Takashima (1-2) came after Hiroto Kobukata’s suicide-squeeze bunt turned into an infield RBI single and gave the Eagles a 3-2 lead in the fifth at Rakute…