By Andrew Gamble Nick Allegretti has opened up on why he chose to leave the Kansas City Chiefs and join the Washington Commanders. Allegretti was picked in the seventh round of the 2019 NFL Draft and went on to win three Super Bowls with the Chiefs. But despite picking up three rings, he only started 13 times in 74 games for Kansas City. In 2023, he featured in all 17 games but only started once. In 2020, he started nine times, but in 2019 and 2021, he didn’t start at all. In 2022, he started three games. When star guard Joe Thuney got injured last season, Allegretti stepped up. He even played…