 Most experts believed Seattle wanted to use him as a pitcher, but Jones said he would prefer to play every day and was made the shortstop of the Mariners' rookie league affiliate.A few years later when the Mariners acquired Yuniesky Betancourt, they asked Jones if he would move to the outfield and he agreed.Jones' MLB career began when he was called up to the Mariners from the Tacoma Rainiers on July 14, 2006.