Rockets forward Chandler Parsons’ sore back has improved enough after a month battling back spasms for him to return to his usual place in the rotation, but he has clearly continued to struggle with the injury and the time he has had to take off between games. Playing an average of 37.4 minutes per games, Parsons in third in the NBA in the league’s tracking data of activity, running an average of 2.7 miles per game.