McMahon joins rare company with river homer in Pittsburgh
MLB.com -

PITTSBURGH -- Thanks to Ryan McMahon, the term “all wet” and Rockies could be used in the same sentence, happily. McMahon’s homer into the Allegheny River kicked off a three-run sixth inning and helped the Rockies end a five-game losing streak plus several other historic skids in a 3-2 victory

In related news