So instead, the Brewers called on Villanueva, a 22-year-old right-hander who was 4-3 with a 3.52 ERA for Double-A Huntsville in nine games, eight starts. Villanueva is expected to serve as a stopgap until Mabeus is eligible.
I'd be surprised if Villanueva gets in a game in his time with the Brewers, but as far as the roster is concerned, he will be pitcher #20. In the meantime, Mabeus will go fill in for Villanueva with Huntsville. Sheesh!