saw this gentleman at the Jimmy Buffett concert here in Pittsburgh last month (June 21st).
you can tell by the gold-black-gold sleeve ribbing that it's a current 2011 Pirates jersey. replica, no MLB logo on the back collar. and we all know the Buccos retired Murtaugh's #40
here is the song it is referencing. one of my favorite Buffett tunes:
i got a kick out of it!