What happens if both teams kick a field goal in overtime? Under the new setup, both teams will get the ball in overtime regardless of what happens. So, there won’t be any sudden death overtime until the second possession of the extra period.
Are you allowed to kick a field goal on overtime? Remove Punts and Field Goals from Overtime
However, once a team is in possession of the ball they are not allowed to kick field goals or punt.
When did NHL overtime Rules Change? The NHL changed its overtime format ahead of the 2015-16 season, adopting 3-on-3 OT. The AHL and ECHL had used this format before the NHL decided to implement it in place of 4-on-4. The full section of the NHL rulebook on overtime can be found here.
What is the Gretzky rule? The Gretzky rule
Gretzky held a press conference one day after being awarded the Hart Memorial Trophy, criticizing the NHL for punishing teams and players who previously benefited. The rule change became known as the “Gretzky rule.” The rule was reversed for the 1992–93 season.