Between this season and last, Allen had been perfect in 22 consecutive regular-season saves, with six more collected during the Indians' postseason run last fall.
Cincinnati's late push overcame a solid night for Carlos Santana, who provided all of the Tribe's offense with a two-run homer in the third inning and an RBI double in the fifth. Both hits came off Reds starter Lisalverto Bonilla, who was charged with three runs on six hits in his five innings.
Cincinnati slugger Adam Duvall knocked a towering two-run homer (No. 10 on the year) in the fourth off righty Trevor Bauer, who turned in 5 1/3 innings for the Indians before a rain delay lasting just over two hours arrived in the sixth.