My mistake there are only four play in games. The previous post I was responding to threw me off. So the numbers are 3 of 24 for the three years or 1 of 8 for the single years making it past the second round.
Think about the reasons why this may occur. The play in teams have to prepare for their play in opponent. Then they must win in Dayton, Ohio. Then they just travel to wherever the second round game is with no time to prepare for their next opponent. Meanwhile, the team they are playing has the benefit of watching the play in game and preparing accordingly. So the team in the play in game is tired from playing 2 days earlier, tired from traveling to a new site, and has no time to prepare while the other team is sitting there licking their chops.
Hopefully, Tennessee will move out of that scenario with a victory or two in the SEC tourney.