Here is what looks to be each team's top 5 returners. The teams are ordered based on how good their top 5 looks. I don't know who is transferring at which school, so I just assumed no one was.
Wisconsin
Jackson Sharp 3:57, 13:26,
Bob Liking 4:03, 13:27, 28:00
Rowen Ellenberg 3:44, 13:46
Adam Spencer 1:46, 3:37
Jack Meijer 3:43, 13:51
Evan Bishop 4:04, 13:45, 29:03
Micah Wilson 13:56, 29:13
Michigan
Arjun Jha 3:41, 13:53, 29:45
Oli Raimond 3:59, 13:57
Zach Stewart 14:01, 29:58
Luke Venhuizen 14:04
Jack Spamer 8:52, 14:31
Indiana
Jake Gebhardt 1:51, 3:59, 13:37
Gabriel Sanchez 1:51, 3:46, 14:03
Austin Haskett 3:46, 14:15
Camden Marshall 1:46, 3:39
Tristan Forsythe 3:50, 14:17
Michigan State
Riley Hough 14 @ B1G XC
Andrew Nolan 3:45, 8:05
Fraser Wilson 14:08
Andrew Lane 14:09
Aden Smith 8:12, 14:19
Iowa
Max Murphy 3:40 13:39 28:57
Nick Trattner 3:47 13:55 29:39
Will Ryan 14:15
Kal Lewis 3:43 14:33
Hayden Kuhn 14:33
Purdue
Alex Frey 3:47, 14:00
Nathan Walker 3:46, 14:06
Andrew Brandt 8:13, 14:16
Jason Polydoris 14:22, 30:20
Brady Yoder 3:47, 14:23
Illinois
Tyler Cushing 3:50, 14:07, 29:55
Jack Roberts 8:07, 14:17
Will O'Brien 3:42
Irwin Loud 3:52, 14:24
Brady Masters 14:28
Penn State
Evan Dorenkamp 1:48, 3:40, 8:01
Hayden Healy 8:16, 14:20
Behailu Bekele-Arcuri 8:14, 14:26
Jonah Powell 1:51, 3:44
Christopher Desousa 14:38
Minnesota
Eli Hoeft 3:40, 14:07
Emmet Anderson 14:21
Leo Goodman 3:47
Richard Landis 14:27
Noah Kohut-Jackson 3:50, 8:59
Ohio State
Sean Carney 4:07, 8:06
Giovanni Copploe 8:21, 14:26
Zubin Jha 14:37, 30:08
Kevin Agnew 8:18, 14:35
Zach Schultz 14:43
Rutgers
Liam Tilton 14:29
Brian Peretti 8:25
Gavin Richards 1:52, 3:47
Christopher Hill 3:48
Alec Snell 1:50, 3:51
Nebraska
Jake Ralston 8:26 14:40
Cal Puskar 3:51
Jerry Jorgenson 8:33
Colby Erdkamp 8:34
Grant Wasserman Bad
Northwestern
XXX
Maryland
XXX