 Howard memorably hit his winning home run into a sign guaranteeing one person in the crowd 500 free round-trip flights from Southwest Airlines.PNC Park is distinct for having the Allegheny River running behind the right field bleachers.As a result, several balls were hit into the river on the fly (a feat that had only been accomplished once before in the stadium's regular-season history), as well as many more bouncing off the walkway alongside the river.