Luke Gregerson holds a 1.35 ERA and 0.75 WHIP over his first 13 appearances this season. Gregerson has struck out just nine over 13 1/3 innings, but his strikeout rate will climb. One of the better setup men in the game, Gregerson and his nasty slider will continue to set up for Huston Street and would slide into the closer role if Street is injured or traded.