Nathan Karns is off to a nice start in his bid to win the fifth spot in Tampa Bay's pitching rotation. The 27-year-old prospect worked two scoreless innings Thursday in a 3-2 loss to a Baltimore split squad that spoiled the Rays' spring debut under rookie manager Kevin Cash. Read more http://scores.espn.go.com/mlb/recap?gameId=350305130&teams=baltimore-orioles-vs-tampa-bay-rays