The Boston Bruins were back on the ice for practice on Monday morning preparing to play the Predators in Nashville. To try and snap their three game losing streak, head coach Bruce Cassidy has decided to switch things up a bit.� Anders Bjork gets a promotion as the forward is bumped to the B's second line.� He skated alongside David Krejci and Jake DeBrusk.� Charlie Coyle centered the third line between Danton Heinen and Brett Ritchie and David Backes who rotated on the right wing.� Here's a look at all the lines at today's practice: Marchand-Bergeron-Pastrnak Bjork-Krejci-DeBrusk Heinen-Coyle-Ritchie/Backes Kuraly-Lindholm-Wagner Chara-McAvoy Krug-Carlo Moore-Grzelcyk/Kampfer Rask