While the Detroit Tigers' pitching staff has seen its ups and downs this season, they've been getting strong outings from a majority of their starting pitchers. And going into the season, the Tigers didn't know that one of the most effective starters would be someone recalled from Triple-A. Keider Montero has stepped up to the plate for Detroit since joining the club earlier this season after Justin Verlander was placed on the injured list in early April. While his production does come in waves, Montero has kept the Tigers in games more times than not. After Sunday against the Cincinnati Reds, Montero holds a 4.00 ERA. But as Verlander is inching closer to returning to the Tigers' rotation , what does the future hold for Montero in the rotation and on the MLB roster? Is Montero the Odd Man Out? Detroit Tigers pitcher Keider Montero (54) throws on the mound.…