Toronto acquired the 27-year-old right-hander from the Brewers in December for a player to be named later. Villanueva pitched to 4.61 ERA with 11.4 K/9 and 3.8 BB/9 in 52 2/3 relief innings last season, though he's surrendering one long ball for fewer than every seven innings pitched in his relatively young career. Last season was his first as a full-time reliever.
The Blue Jays still have seven players still eligible for arbitration according to our Arb Tracker. The list includes Yunel Escobar, Jesse Litsch, Brandon Morrow, Casey Janssen, Shawn Camp, Rajai Davis, and Jose Bautista.