AHL admits offside missed on Thunderbirds' controversial overtime winner
Springfield’s OT winner stood, but the AHL admitted Zach Dean was offside by several feet, turning Game 3 into a series-altering officiating controversy.

Springfield got the win, but the goal that ended Game 3 should have been waved off. The American Hockey League confirmed Zach Dean was offside by several feet before he scored 3:45 into overtime Tuesday night, leaving the Thunderbirds with a 3-2 victory over the Providence Bruins at the MassMutual Center and a 2-1 lead in the Atlantic Division semifinal.
The sequence was as brutal as it was decisive. Dean finished a centering pass that changed direction off a Providence defender and slipped past Michael DiPietro, sealing a game that should have been headed elsewhere. The league said there was no review process available on the play at the time, then took responsibility, addressed the missed call with officials and Providence management, and said blue line cameras and an offside review process are planned for next season.

The result stands, and that is the part Providence has to live with. Springfield still owns the series edge, but the offside admission leaves the Bruins chasing a game they believe they should have had, and it adds another layer of heat to a matchup that has already been razor-thin. Game 3 was the third straight one-goal game in the series after Springfield won Game 1 and Providence answered in Game 2.
That is what makes the missed call sting even more. Springfield finished 38 points behind Providence in the regular season, and theAHL.com noted no team has ever won a Calder Cup Playoff series with that kind of gap. Instead of letting the underdog narrative settle naturally on the ice, the overtime finish turned into a referendum on officiating and the league’s technology lag.
The game itself had plenty of bite before the controversy. Calle Rosén scored twice in regulation for Springfield, while Matthew Poitras and Riley Tufte scored for Providence. Georgi Romanov stopped 29 of 31 shots for the Thunderbirds, and DiPietro made 27 saves for the Bruins, but neither goalie’s work defined the night as much as the final missed offside.
Now the pressure shifts to Game 4 on Thursday night back in Springfield, with Game 5, if necessary, set for Saturday in Providence. Springfield has the series lead and the momentum. Providence has the grievance and the urgency. The AHL’s admission does not change the score, but it does change the conversation, and in playoff hockey that is often the first sign a series is about to turn.
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