On Football analyzes the biggest topics in the NFL from week to week. For more On Football analysis, head here.___Teams considering a coaching change should be encouraged by some of the quick turnarounds around the NFL.Three teams with new coaches entered Week 11 holding a playoff position. Dan Quinn’s Washington Commanders (7-4) led that group in victories despite a 26-18 loss to Philadelphia on Thursday night.Raheem Morris and the Atlanta Falcons (6-4) are first in the NFC South. Jim Harbaugh and the Los Angeles Chargers (6-3) currently have the second wild-card spot in the AFC.Quinn, Morris and Harbaugh have another thing in common. They previously were head coaches in the NFL. Harbaugh led the San Francisco 49ers to a Super Bowl appearance before going to Michigan and winning a national title last season.Quinn was Atlanta’s coach when the Falcons blew a 28-3 lead in the Super Bowl to Tom Brady and the New England Patriots. Morris led Tampa Bay to one 10-win season in three years with the team more than a decade ago and also served as an interim coach for the Falcons in 2020.The five other first-year coaches — Seattle’s Mike Macdonald (4-5), Tennessee’s Brian Callahan (2-7), New England’s Jerod Mayo (3-7), Carolina’s Dave Canales (3-7) and Las Vegas’ Antonio Pierce (2-7) are 14-33 combined. Macdonald, Callahan, Canales and Mayo are head coaches for the first time. Pierce went 5-4 as an interim coach with the Raiders last year.It’s no surprise new coaches are having fast succ …