By Zach Koons Mickey Guyton smashed the over. Before Super Bowl LVI between the Rams and the Bengals kicked off on Sunday night, Mickey Guyton stepped in front of a microphone to sing the national anthem to a packed house at SoFi Stadium. And she made sure to savor every second of the historic moment. Guyton, a four-time Grammy nominee, delivered a strong performance, but she clearly wasn’t in any rush. She clocked in around 1 minute and 51 seconds, easily hitting the over listed as a prop-bet in most sportsbooks. The average length of the anthem from 1991–2020 was just over 1:56, so Guyton di…