| 3/18/2016 | St. Louis RiverSharks | Sign | Darious Clark | G | 6'4" 198 | Slippery Rock Unviersity |
| 3/18/2016 | Windy City Groove | Sign | Fred Gardner | G/F | 6'6" 235 | Florida A&M |
| 3/17/2016 | St. Louis RiverSharks | D-League | Bruce Massey | G | 6'3" 193 | Middle Tennessee St. |
| 3/12/2016 | Lima Express | Foreign | Bryant Austin | G | 6'6" 200 | Indiana Tech |
| 3/11/2016 | Gateway Steam | Sign | Jimmy Peyton | F | 6'4" 215 | Lincoln University |
| 3/10/2016 | Windy City Groove | Sign | Mike McCall | G | 6'0" 180 | St. Louis University |
| 3/10/2016 | Windy City Groove | Release | David Johnson | F | 6'5" 210 | Lewis-Clark St. U. |
| 3/8/2016 | Chicago Blues | Sign | Diante Watkins | G | 5'11" 175 | Robert Morris |
| 3/8/2016 | Chicago Blues | Foreign | Sherron Collins | G | 6'0" 218 | Kansas |
| 3/8/2016 | Champaign Swarm | Release | Booker Stoudmire | G | 6'0" 216 | Northwood University |
| 3/8/2016 | Champaign Swarm | Release | Adrien Coleman | F | 6'6" 215 | Bethune-Cookman |
| 3/5/2016 | St. Louis RiverSharks | Foreign | Justin Bocot | G | 6'4" 175 | Southern Illinois |
| 3/1/2016 | Windy City Groove | Foreign | Isaac Mack | G | 6'1" 185 | University of New Orleans |
| 2/29/2016 | St. Louis RiverSharks | Sign | Terry Hollins, Jr. | G | 6'1" 170 | Harris-Stowe State University |
| 2/26/2016 | Pontiac 66ers | Sign | Alex Marzette | F | 6'5" 180 | Robert Morris |
| 2/26/2016 | Pontiac 66ers | Sign | Emanuel Chapman | G | 6'1" 165 | UNC-Central |
| 2/26/2016 | Windy City Groove | Sign | Delino Dear | C | 6'10" 225 | Bethune-Cookman |
| 2/23/2016 | Gateway Steam | Release | Jayvonte Hughes | F/C | 6'8" 220 | Lewis & Clark CC |
| 2/23/2016 | Champaign Swarm | Sign | Tylon Deal | G | 6'0" 189 | St. Ambrose |
| 2/19/2016 | Pontiac 66ers | Sign | Trent Thomas, Jr. | G/F | 6'5" 215 | St. Leo |
| 2/19/2016 | Pontiac 66ers | Foreign | Thomas Staton | G | 6'6" 230 | Missouri-Kansas City |
| 2/19/2016 | Pontiac 66ers | Foreign | Garrett Jefferson | G | 6'3" 180 | U. of Hawaii |
| 2/18/2016 | Champaign Swarm | Hire | Daniel Ruffin | Head Coach | ||
| 2/18/2016 | Gateway Steam | RTR | Kendall Boyd-Hill | G/F | 6'3" 185 | Forest Park CC |
| 2/18/2016 | Gateway Steam | RTR | Travis Elliott | C | 6'9" 240 | Bethune-Cookman |
| 2/17/2016 | Pontiac 66ers | Foreign | Jo'el Clarke | F | 6'10" 230 | Huston-Tillotson |
| 2/12/2016 | Gateway Steam | Sign | C.J. Barksdale | F | 6'8" 230 | Virginia Tech |
| 2/11/2016 | Windy City Groove | Sign | Ray Miller | F | 6'8" 220 | Cal. St.-Fullerton |
| 2/11/2016 | Windy City Groove | Foreign | Reginald Porter | F | 6'8" 200 | Martin Methodist |
| 2/10/2016 | Pontiac 66ers | Sign | Khion Sankey | F | 6'6" 220 | Lipscomb University |
| 2/9/2016 | St. Louis RiverSharks | Foreign | Gavin Schumann | G | 6'2" 160 | Southern Indiana |
| 2/6/2016 | St. Louis RiverSharks | Sign | Chris Stevenson | G | 6'1" 165 | Lindenwood Univ. |
| 2/6/2016 | St. Louis RiverSharks | Sign | Steve Roper | G | 6'3" 190 | Lindenwood Univ. |
| 2/6/2016 | St. Louis RiverSharks | Sign | Jaylen Fulton | G | 5'10" 155 | St. Louis CC |
| 2/4/2016 | Gateway Steam | Sign | Jayvonte Hughes | F/C | 6'8" 220 | Lewis & Clark CC |
| 2/4/2016 | Gateway Steam | Foreign | Austin Hill | F | 6'7" 220 | Huntington College |
| 2/3/2016 | Champaign Swarm | Sign | Aaron Weaver | G | 6'6" 205 | North Park University |
| 2/3/2016 | Lima Express | Foreign | Markus Montague | F | 6'9" 205 | Kentucky State |
| 2/2/2016 | St. Louis RiverSharks | RTR | J.T. Sutton | F | 6'7" 235 | Middle Tennessee St. |
| 1/30/2016 | Lima Express | RTR | James Helton | F | 6'6" 205 | West Virginia St. |
| 1/30/2016 | Chicago Blues | RTR | Doug Montgomery | C | 6'8" 190 | Trinity Valley College |
| 1/30/2016 | Windy City Groove | Foreign | Carl Montgomery | F | 6'8" 220 | Chicago State |
| 1/28/2016 | Pontiac 66ers | Foreign | Jake Anderson | G | 6'2" 205 | Iowa State |
| 1/28/2016 | Windy City Groove | Sign | Carl Montgomery | F | 6'8" 220 | Chicago State |
| 1/28/2016 | Pontiac 66ers | Sign | Blake Burgess | G | 6'4" 195 | William Woods |
| 1/28/2016 | Windy City Groove | Foreign | Alvin Brown | C | 6'10"200 | South Carolina |
| 1/27/2016 | Gateway Steam | RTR | Derrick Dilworth | G | 6'2" 185 | Columbia College |
| 1/27/2016 | Gateway Steam | RTR | Myles Harvell | F | 6'4" 185 | Benedictine Univ. |
| 1/27/2016 | Champaign Swarm | Resign | John Spezia | Head Coach/GM | ||
| 1/27/2016 | Chicago Blues | Trade to WC | Jordan Johnson | G | 5'10" 170 | Rock Valley Coll. |
| 1/27/2016 | Windy City Groove | Trade to CHI | Darrin Johnson | G | 6'3" 205 | Southern Arkansas |
| 1/26/2016 | St. Louis RiverSharks | Foreign | Keith DeWitt | C | 6'10" 235 | Southern Indiana |
| 1/26/2016 | St. Louis RiverSharks | RTR | Kenny McGowen | G | 5'11" 170 | Idaho State |
| 1/26/2016 | Gateway Steam | Sign | Austin Hill | F | 6'7" 220 | Huntington College |
| 1/25/2016 | Pontiac 66ers | Release | Austin Hill | F | 6'7" 220 | Huntington College |
| 1/15/2016 | St. Louis RiverSharks | Foreign | Brandon Hogg | G | 6'1" 190 | Southern Indiana |
| 1/7/2016 | St. Louis RiverSharks | Resign | Al Grushkin | Head Coach | ||
| 11/12/2015 | Gateway Steam | Hire | Milton Stith | Head Coach | ||
| 10/27/2015 | Pontiac 66ers | Hire | Steven Zeller | Asst. G.M. | ||
| 10/27/2015 | Pontiac 66ers | Hire | Mark Myre | General Manager | ||
| 10/27/2015 | Pontiac 66ers | Hire | Durrell Robinson | Head Coach | ||
| 4/7/2015 | Champaign Swarm | Hire | John Spezia | Head Coach/GM |