Andrew McCutchen threw a Reds home run ball into the Allegheny River

Andrew McCutchen does not like it when opposing teams score runs. In fact, he spends a great deal of time ranging all over the outfield, leaping, laying out and sliding to prevent them from doing so. 

And when he can't get to those hits because they're over the wall, well ... he just waits until he can throw them into the Allegheny River.

A.J. Burnett was on the hill for the final regular-season start of his 17-year MLB career when he surrendered a home run to Reds utility man Adam Duvall. The Pirates fan who hauled in the home run ball opted to mark it "return to sender" rather than keep it as a souvenir.

Cutch saw the ball sitting in the outfield grass, so he trotted over and tossed it over the stands, out of the stadium and, ostensibly, into the Allegheny River: