Nunn, a shooting guard, and Robinson, a forward, are starters and big parts of the Heat’s 3-point shooting machine that ranks second in the NBA in percentage. Nunn was tracked by Heat assistant general manager Adam Simon in the G League last season after he showed promise with the Santa Cruz Warriors. Simon pestered general manager Andy Elisburg and president Pat Riley incessantly to sign Nunn before another team did. With a series of roster moves, Miami cleared a spot and signed Nunn on the final day of the season.