BOSTON (AP)—The Boston Celtics have signed top draft pick Avery Bradley(notes). Bradley was the No. 19 overall selection in last week’s NBA draft. Bradley was a shooting guard in his only year at Texas. He will serve as Rajon Rondo’s(notes) understudy at point guard. The 6-foot-3, 180-pound Bradley averaged 11.6 points last year. As a high school senior, ESPN chose him the national player of the year and the No. 1 prospect in the country. Bradley is known as a strong defender and good outside shooter but a weak free throw shooter. Source: Y! Sports