The Pac-12 lost all of its teams after the first day of the main tournament draw , marking the first time since the Big 12 began play in 1996 that one of the six major conferences — defined as the ACC , Big Ten , Big 12 , Pac-12 , SEC , and both versions of the Big East — failed to have a team advance to the tournament 's round of 32
both
Big East Conference (1979–2013)
2018 NCAA Division I Men's Basketball Tournament