Situation Room Initiated Challenge: BUF@WSH - 2:38 OT

At 2:38 of overtime in the Sabres/Capitals game, the Situation Room initiated a review under the terms of a Coach's Challenge to review whether a Washington player interfered with Buffalo goaltender Robin Lehner prior to Marcus Johansson's goal.
After reviewing all available replays and consulting with NHL Hockey Operations staff, the Referee confirmed no goaltender interference infractions occurred before the puck crossed the goal line.

Therefore the original call stands - good goal Washington Capitals.
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NOTE: In the final minute of play in the third period and at any point in Overtime (Regular Season and Playoffs), Hockey Operations will initiate the review of any scenario that would otherwise be subject to a Coach's Challenge.