Girgensons, Sabres deny Sharks fourth straight win
Forward breaks tie in third, Buffalo wraps up trip with back-to-back victories
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BUF@SJS: Girgensons nets go-ahead goal for Sabres
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BUF@SJS: Mittelstadt scores on redirection
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BUF@SJS: Skinner taps puck into open net
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Girgensons, Sabres hold on to defeat Sharks