Washington Capitals goaltender Braden Holtby left Tuesday’s practice favouring his left knee after colliding with a teammate.

Holtby has a 0.67 goals-against average, .978 save percentage and one shutout for the Capitals so far this post-season.

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Washington leads the Philadelphia Flyers 3-0 in its first round playoff series.

Capitals backup goaltender Philipp Grubauer has one game of playoff experience. The 24-year-old German allowed three goals on 21 shots in a win during last year’s post-season.