Miller Back, Dumont Out For MonthsSource: WGR-AM 'Also, it is official that Forward J.P. Dumont has a sports hernia and he will have surgery. Dumont may be able to return to the Sabres lineup in March.' Related posts: Dumont agent has big bark but no bite Dumont's return in doubt, Briere OK Sabres fret over Briere, Dumont Dumont gets the hint J. P. Dumont Makes Solid Commitment Off the Ice