Getty Brad Keller pitching for the Chicago White Sox in 2024 Today, the Cubs announced a flurry of moves, including the promotion of Brad Keller and the addition of Ben Brown to their rotation. As the Cubs prepare for their last spring training games, their roster is molding into shape ahead of their opening domestic series against the Arizona Diamondbacks.  Who is Brad Keller Speaking of Arizona, Brad Keller was taken by the Diamondbacks in the 8th round of the 2013 MLB Draft. Keller spent