Boston, MA - On Saturday, December 17, Boston Bruins General Manager Don Sweeney issued the following update on forward David Pastrnak : "David underwent a successful removal of the olecranon bursa from his right elbow on Friday, December 16 at Newton Wellesley Hospital by Dr. Matthew Liebman. He will likely be unavailable for the games on Sunday and Tuesday. His condition will be re-assessed on a day-to-day basis."