The Yankees improved their record t0 13-8 with a win against the Tampa Bay Rays on Tuesday night, which gives them a 1.5 game lead for first place in the AL East over the Boston Red Sox (11-9) . Interestingly enough, after 21 games last year the Yankees record was … one game worse, 12-9. However, digging deeper into the underlying numbers shows that the 2015 team is better. The 2015 team has scored 107 runs and allowed 82 for a run differential of +25 while the 2014 team gave up 92 runs while only scoring 85 for a run differential of -7.