Some recruits visit a stadium. Hayden Monroe studies one. The first time the 2028 athlete from Carencro, Louisiana, walked into TDECU, he was a kid taking in the show: the lights, the noise, the whole spectacle that surrounds a Big 12 Saturday. He’s coming back for Week 10 with a different job. He’s coming to take the offense apart piece by piece. “My first visit, I was really taking in the atmosphere and everything surrounding the game,” Monroe said. “This time, I’m looking forward to paying more attention to the football side of things, especially their defensive scheme, how they use their…