sentences:  He helped the team go 3–1 over four preseason games between December 10 and 19, and made his regular season debut for the club in the season opener on January 2, 2011, scoring 14 points in a 109–99 win over the Vermont Frost Heaves.Mercer left the team on February 15 because of undisclosed family reasons.Team Owner Andre Levingston said Mercer returned to Atlanta to be with his wife and young child.