Flickr: Cruz__Sorry, Billy the Marlin. The true mascot is the empty orange seat.​Congratulations are in order for Fort Lauderdale native Mike Morse. He's playing in the big leagues! (I realize that the Washington Nationals lineup consists mostly of players who'd be in the minors for winning teams, but technically, it's a major-league baseball franchise.) Those opportunities have occurred only sporadically for the 27-year-old infielder, who last played against the Marlins in 2005, when he