Allen has cleared waivers and was outrighted to Triple-A Louisville on Sunday.
Allen was designated for assignment by the Reds on Sunday.
Allen had his contract selected by the Reds on Friday.
Allen was one of four Reds sent down to their minor league camp Tuesday.
Allen signed a minor league contract with the Reds on Tuesday that includes an invite to spring training.
Brandon Allen is currently in a walking boot after injuring his right calf on Thursday.
Allen was forced to leave Thursday's game with the injury. There is still no updated timetable for his status, but his chances of making the team out of spring training have all but depleted.
Brandon Allen has been diagnosed with a calf injury.
Allen exited Thursday's Grapefruit League game with the ailment. It's not clear how long he'll be sidelined, but the injury should officially end his long shot chances at cracking the Mets' Opening Day roster.
Brandon Allen left Thursday's Grapefruit League game with an apparent injury.
Allen, a non-roster invitee, limped off the field after advancing to second base on a single. The Mets should pass along an update soon.
Mets signed 1B Brandon Allen to a minor league contract with an invitation to spring training.
Allen spent 2013 with the Padres' Triple-A club in Tucson, finishing with an .825 OPS. He'll be competing for a bench role but will most likely open the 2014 season back in Triple-A in the Mets' system. In a handful of Major League at-bats each season between 2009-12, he compiled a meager .665 OPS with a 35% strikeout rate.
Padres signed 1B Brandon Allen to a minor league contract.
Allen was released by the Rangers at the end of spring training. The 27-year-old owns a .203/.290/.375 batting line over 389 plate appearances in the majors and spent part of last season with the Fukuoka SoftBank Hawks of Japan's Central League. He'll function as organizational depth.