Taking a knee to lock in an American football victory used to be considered unsportsmanlike, but then the https://en.wikipedia.org/wiki/Miracle_at_the_Meadowlands happened, where the Giants were up 17-12 with 30 seconds left and played normally. They fumbled the ball, the Eagles recovered it and scored a touchdown, the Giants' offensive coordinator was summarily fired and never worked in the NFL again, and ever since, dropping to your knee when it ensures your win is standard, accepted, and even sometimes called the Victory Formation.