By DREW DAVISON GRAND PRAIRIE -- At 6:57 p.m. Monday, Michael Choice broke from his stoic look and finally cracked a smile. After all, the Oakland Athletics were about to make the UT-Arlington outfielder the 10th overall pick in the 2010 MLB First-Year Player Draft.And, once the pick was made official, Choice's family and friends went crazy.His mother, Charea, highlighted the chaos by yelling, "All right, UTA.