Houston Astros starter Zack Greinke (6-2) will take the mound against the Rangers on Wednesday at Minute Maid Park. The veteran has been consistently inconsistent as of late, following up a complete game against the Blue Jays on June 4 with getting knocked around for four runs in only three innings pitched against the Red Sox in his last start. Greinke is now 4-1 over his last six starts and the Astros are 10-4 overall in games that the 37-year-old pitches. Greinke has really struggled pitching...