Oregon Ducks coach Dan Lanning spent years doing the unglamorous work before becoming one of college football’s most talked-about coaches. The success speaks for itself: Since 2023 under Lanning, Oregon leads the nation with a 38-5 overall record and an 88.4 winning percentage. Oregon head coach Dan Lanning walks the field before the game as the Oregon Ducks take on the UCLA Bruins Saturday, Oct. 22, 2022, at Autzen Stadium in Eugene, Ore. | Ben Lonergan/The Register-Guard / USA TODAY NETWORK Now, most people know Lanning as the high-energy Oregon head coach with fiery pre-game speeches, an elite recruiter and national contender. However Arkansas coach Ryan Silverfield knew him when he was still building his name, working at Memphis as the young assistant trying to become too valuable to leave behind.  That mindset did not just help the 39-year-old climb the coaching ladder. It now helps explain the culture he is building with the Ducks.…