MLB Power Rankings: Which teams lead at the season’s halfway point?

Most teams are officially at the halfway mark of the season. While some have all but secured a spot in October, others are fighting to stay in playoff contention.

Houston continues to close the gap between itself and the Yankees, with New York having lost three of its past six games, including one to the Astros. Meanwhile, the Dodgers took three of four against the division-rival Padres to further cushion their lead atop the NL West. Which…