Life at the top isn't easy as BYU becomes the latest top-2 team to lose to an unranked opponent

Miami had no problem passing its first test as the No. 1 team in the AP Top 25,No. 2 BYU wasn't as fortunate. Playing with their highest ranking since 1984, the Cougars lost 39-31 in two overtimes to UCF on Saturday and the list of unbeaten teams thinned to Miami, UCLA and Utah.UCF was among five unranked teams to knock off ranked opponents. No. 8 Texas Tech lost to Cincinnati, No. 11 Tennessee to South Carolina, No. 15 Iowa to Minnesota and No. 16 Southern California to Wisconsin.No. 7 Mississippi joined BYU and Texas Tech as top-10 teams that lost. No. 19 Texas, coming off consecutive losses to unranked teams, posted its third win of the season over a Top 25 opponent and kept its College Football Playoff hopes alive by beating the Rebels 34-27.Miami, No. 1 for the first time since 2002, was never threatened in its 52-23 win over Pittsburgh. The Hurricanes scored on seven of their first eight possessions and Darian Mensah threw for 387 yards and four touchdowns. Three of those TD pass