NEW YORK — After 161 games over six months failed to separate the New York Yankees and Toronto Blue Jays, the AL East will be decided on the final day of the regular season. The Blue Jays hold the tiebreaker because they won the season series against the Yankees 8-5. Whichever team finishes second in the division likely will host third-place Boston in a best-of-three Wild Card Series starting Tuesday. The division winner be the AL’s top playoff seed and start at home in a best-of-five Division Series on Oct. 4 against that Wild Card Series winner. Defending AL champion New York is seeking its second straight AL East title and third in four years.