Mariners` 4th outfield spot could see competition
(MLB.com Seattle Mariners)

Among the questions facing the Mariners as they prepare to open Spring Training this week will be the health of outfielder Guillermo Heredia. And, in turn, should Heredia not be ready to start the season as he recovers from shoulder surgery, who steps up to fill the role of fourth outfielder on a team that is largely set in the position battles?