When Brandon Clarke felt the first pop in his leg, he tried to play through it Monday against the Clippers. When he heard a second pop, he knew the injury was more serious. “I knew I had probably strained the muscle or something,” Clarke said Wednesday at the Grizzlies’ shootaround ahead of Wednesday’s game against the Rockets. “It was disappointing, really. I knew my team needed me because obviously Jaren’s (Jackson Jr.) down.”