On the eve of Super Bowl week, there are some regrets for the Vikings’ general manager. Kwesi Adofo-Mensah detailed some long sleepless nights when thinking about why he let Sam Darnold walk in free agency last offseason. Minnesota Vikings general manager Kwesi Adofo-Mensah, right, speaks with quarterback J.J. McCarthy. Darnold then signed a three-year, $100.5 million contract with the Seahawks after they traded Geno Smith — and he is now playing in the Super Bowl. “Really happy for him.”Sam Darnold led the Seahawks to the Super Bowl in his first season with Seattle.