Adjective
interleague (not comparable)
(sports) Between leagues; often specifically between the two major leagues of American baseball.
And then when baseball inaugurated interleague play in 1997, the sport sucked the last bit of novelty out of, for example, a Philadelphian getting to watch players from the Seattle Mariners. Source: Internet
In place of the All-Star Game, seven interleague games were played (eight had been scheduled) on July 9 and 10 to benefit the American Red Cross and the War Relief fund. Source: Internet
On June 16, 2015, veteran outfielder Jeff Francoeur was called in to pitch in an interleague game against the Baltimore Orioles in which the Orioles were winning 17-3 going into the seventh inning. Source: Internet
Furthermore, each team has an interleague "natural rival" (in many cases its counterpart in the same metro area) with which it plays two home games and two away games each year. Source: Internet
However, by the All-Star break, the Royals were again in losing territory, with their record buoyed only by a 13–5 record in interleague play, the best in the American League. Source: Internet
However, it was unclear at the time if interleague play would continue after the 1998 season, as it had to be approved by the players' union. Source: Internet