Henry Davis hit his first two home runs of the season, Mitch Keller pitched seven innings of three-hit ball, and the Pittsburgh Pirates defeated the Cincinnati Reds 9-1 to end a five-game losing streakPITTSBURGH — Henry Davis hit his first two home runs of the season, Mitch Keller pitched seven innings of three-hit ball, and the Pittsburgh Pirates defeated the Cincinnati Reds 9-1 on Friday night to end a five-game losing streak.Davis homered in consecutive innings. He hit a solo shot to center field in the fourth that pushed the Pirates’ lead to 4-0 and connected on a two-run drive to left field that capped a four-run fifth and made it 8-0.It was the second career two-homer game for Davis, who also scored three runs after entering the game with a .154 batting average.Keller (3-1) allowed one run, struck out six and walked one. His 104 pitches were the most thrown by a Pirates pitcher this season.Bryan Reynolds and Marcell Ozuna also homered for Pittsburgh as the Pirates sent the NL Central-leading Reds to their fifth loss in 16 games. Reynolds hit a 443-foot solo shot to the shrubbery in center field in the first inning to open the scoring, and Ozuna had a two-run blast in the fifth.Brady Singer (2-2) allowed four runs and seven hits in 3 1/3 innings while walking two and striking out one.The Pirates’ Nick …