Both goalies have gone through hot and cold streaks, respectively, with head coach Bruce Cassidy usually riding the hot hand.
Most recently, Ullmark has been on fire until his injury on Thursday night against the Ottawa Senators. Ullmark took a slap shot to the face mask from Erik Brannstrom and was forced to leave the game after the first period, even though he finished the period stopping all eight shots he faced.
Jeremy Swayman commented on Ullmark's injury:
Swayman and Ullmark obviously have a strong bond (as seen by their hugs after every win), and the friendly competition has helped the Bruins have two solid goalies they trust.
Listen to the rest of Swayman's presser below: