Rally Squirrel
Rally Squirrel is the name given to an American gray squirrel ( "Sciurus carolinensis" ) which appeared on the field and ran across home plate at Busch Stadium during a 2011 National League Division Series ( NLDS ) Major League Baseball game between the Philadelphia Phillies and St . Louis Cardinals on October 5 , 2011 . 
<triplet> Busch Stadium <subj> St. Louis Cardinals <obj> occupant <triplet> Philadelphia Phillies <subj> Major League Baseball <obj> league