We’re well into September now, and the MLB playoff picture is taking shape with about a dozen games left in the regular season.As the season winds down, we’re watching some key series, including the Boston Red Sox and New York Yankees, which comprise two of my three best bets for this slate.Below are three bets I highly recommend considering for Sunday, Sept. 15. Let’s check it out:Boston Red Sox vs. New York YankeesThe Red Sox and Yankees totals line is 8.5 runs, and I’m slamming the over here. In this one, the two pitchers on the mound are Kutter Crawford for the Red Sox and Carlos Rodon for the Yankees.Crawford is 8-14 on the season with a 4.09 EA, while Rodon is 14-9 with a 4.15 ERA. However, these are two of the top three pitchers in HR/9, with Crawford leading the majors at …