January 22, 2021
Fargo-Moorhead: Signed RHP Austin Ver Steeg
Kansas City: Signed INF Gavin LaValley
Winnipeg: Signed C Lucas Herbert, OF Tyler Hill and OF Max Murphy
January 21, 2021
Milwaukee: Transferred the contract of C Chris Chinea to the Miami Marlins.
Sioux City: Released INF Rhett Aplin
Sioux Falls: Signed OF Logan Landon
January 20, 2021
Cleburne: Released RHP Alex Boshers
Gary SouthShore: Signed OF Hunter Cullen and LHP Trevor Lubking
Kansas City: Signed LHP Eric Stout
Sioux City: Signed RHP Karsen Lindell
Sioux Falls: Released INF Ryan Brett
Sioux Falls: Signed OF Troy Alexander and OF Jabari Henry
Winnipeg: Signed RHP Ryan Dull, RHP Josh Lucas and INF Kyle Martin
January 19, 2021
Chicago: Signed RHP Juan Echevarria
Kansas City: Signed OF Ryan Grotjohn
Sioux City: Signed INF Josh Allen
Sioux Falls: Signed RHP Kevin Folman
January 18, 2021
Milwaukee: Signed RHP Brandon Koch and RHP Ryan Zimmerman
Sioux Falls: OF Mike Hart is playing out his option in 2021
January 15, 2021
Kansas City: Traded RHP A.J. Schugel to Milwaukee for cash
Sioux City: Signed RHP Carlos Sierra
January 14, 2021
Sioux Falls: Released LHP Eudis Idrogo, LHP Cesilio Pimentel, INF Gabriel Quintana and INF Alvaro Rondon
January 13, 2021
Fargo-Moorhead: Transferred the contract of LHP Matt Tomshaw to the Chicago White Sox
Gary SouthShore: Signed RHP Mark Seyler
January 12, 2021
Winnipeg: Released RHP Victor Capellan
January 11, 2021
Chicago: Signed RHP Connor Grey
Milwaukee: Signed OF Mikey Reynolds and INF Aaron Hill
January 8, 2021
Sioux Falls: Signed RHP Robbie Gordon
January 7, 2021
Gary SouthShore: Signed LHP Kevin Escorcia
Lincoln: Signed INF Ryan Long
Milwaukee: Signed RHP Ryan Newell
Sioux City: Signed INF Rhett Aplin and C Justin Felix
January 6, 2021
Gary SouthShore: Signed RHP Jack Alkire
January 5, 2021
Kansas City: Signed RHP Jameson McGrane
Milwaukee: Signed RHP Taylor Ahearn and C Christ Conley