CHARLOTTE, N.C. — The Boston Celtics were without guard Jaylen Brown for Saturday night’s 113-103 win over the Charlotte Hornets.Brown was ruled out with a left hip flexor strain, and Celtics coach Joe Mazzulla scalled him “day to day” moving forward.Mazzulla said it is an injury that has been bothering Brown recently and something that “he has been playing through.” He finally decided to give him the night off to allow him to rest and heal.Editor’s PicksBrown had 25 points in Boston’s 124-109 win over the Hornets on Friday night, the first of two games in two nights at Charlotte’s Spectrum Center.Hornets center Nick Richards also missed the game with a shoulder injury, leaving Charlotte without its top two centers. Mark Williams, the team’s regular starter, has not played this season.