KELLY OLYNYK. A-. Olynyk racked up his first double-double of the year, finishing with 18 points, 13 rebounds, and he added 2 assists. At the beginning of the season, many question whether or not Kelly is tough enough to play the center position and rebound like most of the centers in the NBA. This performance definitely helps his case. He isn’t a prototypical center, but he can definitely bring toughness in his own way.. Center. Boston Celtics