Complete American League Dominance

Even the NL Central's 52.4% out-of-division winning percentage can't save them from the fact that they only won 45.2% of their interleague games.

MLB League Rankings
1 - AL - 62.6%
2 - NL - 37.4%

Interleague Play Records
1 - AL - 0.591 ( 149-103 , equals 95.8 wins over one season)
2 - NL - 0.409 ( 103-149 , equals 66.2 wins over one season)

MLB Division Rankings
1 - AL-E - 100.0%
2 - AL-C - 64.7%
3 - AL-W - 58.7%
4 - NL-C - 49.0%
5 - NL-E - 23.9%
6 - NL-W - 0.0%

Out-of-Division Records
1 - AL-E - 0.565 ( 178-137 , equals 91.5 wins over one season)
2 - NL-C - 0.524 ( 193-175 , equals 85.0 wins over one season)
3 - AL-W - 0.505 ( 148-145 , equals 81.8 wins over one season)
4 - AL-C - 0.503 ( 156-154 , equals 81.5 wins over one season)
5 - NL-E - 0.479 ( 156-170 , equals 77.5 wins over one season)
6 - NL-W - 0.427 ( 147-197 , equals 69.2 wins over one season)

Interleague Play Records by Division
1 - AL-C - 0.644
2 - AL-E - 0.578
3 - AL-W - 0.542
4 - NL-C - 0.452
5 - NL-E - 0.436
6 - NL-W - 0.333