WEEI’s Rich Keefe is doubling down on his take that there's a problem between Bruins captain Brad Marchand and David Pastrnak.

An NHL reporter covering the Bruins is refusing to back down today after Brad Marchand denied a rumor that there is a rift between himself and David Pastrnak.

Brad Marchand pulled no punches when asked of a report from WEEI's Rich Keefe about a rift between him and David Pastrnak.