With his fifth organization in 10 seasons, Bleich will be making his Major League debut. The 31-year-old posted a 3.00 ERA in 27 relief appearances with Nashville, and he has held opponents to a .257 batting average. Bleich was drafted by the Yankees as a Compensation Round A pick in the 2008 Draft.
Lucas appeared in eight games, including one start, for the A's this season, and he has a 6.28 ERA. His most recent stint with Oakland was his fourth of the season. He was most recently recalled on June 16, and he allowed eight runs on eight hits and three walks in five innings over four relief appearances.