18, 2011, Georgia Tech vacated their 2009 ACC Championship Game victory over Clemson due to NCAA violations. The game is considered by the NCAA and ACC to have no winner. Playoffs Clemson was selected as the one seed in the second College Football Playoff and defeated the fourth seed Oklahoma on December 31, 2015 in the 2015 Orange Bowl. They lost to the Alabama Crimson Tide in the championship game on January 11, 2016. Clemson was selected to the third College Football Playoff as the second seed and defeated the third seed Ohio State on December 31, 2016 in the 2016 PlayStation Fiesta Bowl. The Tigers defeated the Alabama Crimson Tide in the national championship games in both 2017 and 2019. Clemson has a 6–4 record in playoff games through the 2019 season. National polls Clemson has ended their football season ranked 32 times in either the AP or Coaches Poll. Clemson currently has 11 consecutive 10-win seasons from 2011 to 2021. It is the 2nd longest active streak behind Alabama with 12. † AP Poll began selecting the nation's Top 20 teams in 1936. Only the Top 10 teams were recognized from 1962 to 1967. The AP Poll expanded back to the Top 20 teams in 1968. In 1989, it began recognizing the Top 25 teams. ‡ UPI/Coaches Poll began selecting its Top 20 teams on a weekly basis in 1950 before expanding to the nation's Top 25 teams in 1990. Bowl games Clemson holds a 27–23 record in bowl games through the 2022 season. This is a list of Clemson's 16 most recent bowl games over the last 10 years. Head coaches Coaching staff Clemson traditions Howard's Rock In the early 1960s, the rock was given to then head coach Frank Howard by a friend, Samuel Columbus Jones (Clemson Class of 1919). It was presented to Howard by Jones, saying "Here's a rock from Death Valley, California, to Death Valley, South Carolina." Howard didn't think anything else about the rock and it was used as a door stop in his office for several years. In September 1966, while cleaning out his office, Howard noticed the rock and told IPTAY executive director Gene Willimon, "Take this rock and throw it over the fence or out in the ditch...do something with it, but get it out of my office." Willimon had the rock placed on a pedestal at the top