Brad Peacock is ‘feeling great’ after back surgery

INFIELD

Jonathan Singleton will get the first shot at securing the starting spot at first base, but 2015 Astros Minor League Player of the Year A.J. Reed will be ready to pounce by May if Singleton cannot produce. Marwin Gonzalez is a super utility player who can play throughout the infield and in left field, but the Astros have arguably the best young middle infield combination in baseball with 2015 AL Rookie of the Year Carlos Correa at shortstop and three-time All-Star Jose Altuve at second.

Luis Valbuena was the Astros’ starting third baseman most of the year, but he can also play first.

Brad Peacock’s recovery from back surgery has left him “feeling great,” the righty said Tuesday in San…