First, here are the teams that did not participate in post-season tournament play this season.
No. 18 Washington Huskies
Season Overall Record: 13-18 Big Ten Record: 4-13
Ranking in NET and KenPom: NET: #117 KenPom: #104
Best victories this season: Colorado State (73-67) and Santa Clara (76-69) in the Acrisure Invitational, as well as Washington State (89-73), Maryland (75-69), @ Minnesota (71-68), Northwestern (76-71), and @ Penn State (75-73).
No. 17 Minnesota Golden Gophers
Season Overall Record: 15-17 Big Ten Record: 7-13
Ranking in NET and KenPom: NET: #96 KenPom: #88
Best victories this season: Michigan (84-81), @ Iowa (72-67), Oregon (77-69), @ Penn State (69-61), @ USC (69-66), @ UCLA (64-61), and @ Nebraska (67-65).
No. 16 Penn State Nittany Lions
Season Overall Record: 16-15 Big Ten Record: 6-14
Ranking in NET and KenPom: NET: #66 KenPom: #59
Best victories this season: Virginia Tech (86-64), Purdue (81-70), Northwestern (84-80), Rutgers (80-72), Nebraska (89-72), and @ Minnesota (69-60) and @ Wisconsin (86-75).
No. 15 Rutgers Scarlet Knights
Season Overall Record: 15-17 Big Ten Record: 8-12
Ranking in NET and KenPom: NET: #77 KenPom: #72
Best victories this season: Notre Dame (85-84) in the Players Era Festival-Impact Tournament, Penn State (80-76), UCLA (75-68), @ Nebraska (85-82), @ Northwestern (79-72), Illinois (82-73), and USC (95-85).
Here are teams that had overall winning records and that could have played in a postseason tournament possibly but chose to end their season and not participate in a postseason tournament.
No. 14 Iowa Hawkeyes
Season Overall Record: 17-16 Big Ten Record: 7-13
Ranking in NET and KenPom: NET: #63 KenPom: #63
Best victories this season: Washington State (76-66), Northwestern (80-79), Utah (95-88), Nebraska (97-87), Indiana (85-60), Penn State (76-75), @ Rutgers (84-73), @Nebraska (83-68) and Ohio State (77-70) in the Big Ten Tournament.
One reason given for why Iowa did not participate in a postseason tournament this year: coaching departure was the main reason given.
No. 13 Northwestern Wildcats
Season Overall Record: 17-16 Big Ten Record: 7-13
Ranking in NET and KenPom: NET: #53 KenPom: #45
Best victories this season: UNLV (66-61) in the Arizona Tip-off Cactus Division, Illinois (70-66), Georgia Tech (71-60), DePaul (84-64), Maryland (76-74), Indiana (79-70), USC (77-75), @ Ohio State (70-49), @ Minnesota (75-63), Iowa (68-57), and Minnesota (72-64) in the Big Ten Tournament.
The main reason that Northwestern chose not to participate in a postseason tournament this year: injuries appear to be the main reason given.
No. 12 Ohio State Buckeyes
Season Overall Record: 17-15 Big Ten Record: 9-11
Ranking in NET and KenPom: NET: #41 KenPom: #37
Best victories this season: Texas (80-72) in the Hall of Fame Series—Las Vegas, Rutgers (80-66), Kentucky (85-65) in the CBS Sports Classic, @ Minnesota (89-88), @ Purdue (73-70), Iowa (82-65), @ Penn State (83-64), Maryland (73-70), @ USC (87-82), and Nebraska (116-114).
The reasoning that they gave on why they are not participating in a postseason tournament this year: It appears that they wanted to retain players and get players from the transfer portal as one of the reasons.
No. 11 Indiana Hoosiers
Season Overall Record: 19-13 Big Ten Record: 10-10
Ranking in NET and KenPom: NET: #54 KenPom: #46
Best victories this season: South Carolina (87-71), Rutgers (84-74), Providence (89-73) in the Bad Boy Mowers Battle 4 Atlantis, Chattanooga (74-65), @ Penn State (77-71), USC (82-69), @ Ohio State (77-76), @ Michigan State (71-67), Purdue (73-58), Penn State (83-78), and Ohio State (66-60).
Reasoning behind not accepting a postseason bid after not receiving an NCAA Tournament bid: new coaching staff and other reasons given.