Jacob Turner had the pedigree of an ace in the making when the Marlins acquired him from the Detroit Tigers two years ago.

However, the 23-year-old right-hander turned out to be such a bust that the Marlins designated him for assignment prior to Tuesday night’s game against the Pittsburgh Pirates at PNC Park.

Left-hander Brian Flynn was recalled from Triple A New Orleans.

“It just came to a point where he wasn’t getting any better, wasn’t showing any improvement and we felt we couldn’t do anything more to help him,” Marlins manager Mike Redmond said. “Things like this are always tough, but that’s part of the business.”

Turner was 4-7 with a 5.97 ERA in 20 games, including 12 starts, this season. During his time with the Marlins, he was 8-19 with a 4.41 ERA in 47 games.