The Blue Jays went from afterthought to favourite in recent weeks, but winning the division for the first time since 1993 will not be an easy task. Here are the Top 5 storylines as Toronto enters the stretch run:
1. Russell Martin's left hamstring
Martin has been playing through an injury for several weeks, but the most noticeable sign of discomfort happened during Wednesday's 7-4 loss to the Phillies. Toronto's veteran catcher hit a ground ball in the ninth inning and had difficulty getting out of the batter's box and running up the first-base line.