Rookie starters match up for Marlins, Nationals

When the Washington Nationals visit the Miami Marlins on Tuesday night for the middle contest of their three-game series, the starting pitchers provide an interesting contrast.

Miami right-hander Cody Poteet broke into the major leagues last year and has made 15 appearances.

Washington right-hander Joan Adon arrived in the major leagues last year and has made eight appearances.

Pretty similar, right?

There are a coupl