As the Memphis Grizzlies start to prepare for the presumed resumption of the NBA season, they’re making an addition to their staff with a sixth assistant coach. The Grizzlies have hired Blake Ahearn, who leaves his spot as head coach of the Austin Spurs, the G-League affiliate of the San Antonio Spurs. With the Grizzlies, among other duties, Ahearn will participate in player development efforts, including shooting development.