Here are the records of the 3 seeds and 4 seeds since then, with net rankings of the teams they played.
#9 Villanova (3-1)
Wins: Georgetown 197, Providence 26, @Butler 128
Losses: @UConn 19
#10 Texas Tech (3-2)
Wins: @Texas 17, Oklahoma 42, KSU 71
Losses: @TCU 46, @OSU 45
#11 Tennessee (4-1)
Wins: @Mizzou 153, Auburn 10, @Georgia 211, Arkansas 22
Losses: @Arkansas 22
#12 Illinois (3-1)
Wins: @MSU 39, @Michian 34, PSU 93
Losses: OSU 21
#13 Wisconsin (4-0)
Wins: Michigan 34, @Minny 107, @Rutgers 76, Purdue 13
#14 UCLA (5-1)
Wins: Washington 118, ASU 96, @OSU 253, @Washington 118, USC 33
Losses: @Oregon 74
#15 Providence (3-1)
Wins: @Butler 128, Xavier 35, Creighton 65
Losses: @Nova 6
#16 Texas (2-3)
Wins: TCU 46, @WV 79
Losses: Texas Tech 12, Baylor 4, @Kansas 7