| Date | Transaction |
| 02-28-2067 | Grant Hobby has retired from the Cleveland Ironmen. |
| 01-31-2067 | The Cleveland Ironmen have acquired Grant Hobby from the waiver wire; however, as he was traded or waived after the deadline and has not spent a full week on the wire, he will not be eligible for the postseason. |
| 01-31-2067 | The Cleveland Ironmen have waived Grant Hobby. |
| 01-31-2067 | The Cleveland Ironmen have acquired Grant Hobby from the waiver wire. |
| 08-29-2066 | The Cleveland Ironmen have automatically waived Grant Hobby to comply with the 65-man roster limit. |
| 08-23-2066 | The Cleveland Ironmen have moved Rod Steiger, Frosty Anderson, Bob DeMarco, Max Zent, Booker Ford, Mike Sensibaugh, Jinx Jamerson, Ernie Stautner, and Na'il Diggs to the active roster. The Cleveland Ironmen have moved Harry Kiley, Frank Woods, Grant Hobby, Walt Parker, Jimmy Dean, Bert Owens, Grenny Manning, Ricky Braxton, Hardin Longshank, Rick Jason, and Enio Robinson to the inactive roster. |
| 08-09-2066 | The Cleveland Ironmen have moved Grant Hobby to the active roster. The Cleveland Ironmen have moved Ernie Stautner to the inactive roster. |
| 01-31-2066 | The Cleveland Ironmen have acquired Grant Hobby from the waiver wire; however, as he was traded or waived after the deadline and has not spent a full week on the wire, he will not be eligible for the postseason. |
| 01-31-2066 | The Cleveland Ironmen have waived Grant Hobby. |
| 01-31-2066 | The Cleveland Ironmen have acquired Grant Hobby from the waiver wire. |
| 09-07-2065 | The St. Louis Cardinals have waived Grant Hobby. |
| 09-07-2065 | The St. Louis Cardinals have moved Chuck Daniels, Rico Cabrinha, John Hartman, Vinnie Brown, Frank Richardson, and Mike Ricca to the active roster. The St. Louis Cardinals have moved Todd Gibson, Ken Pinder, Yancey Hampton, Grant Hobby, Antonio Rieves, and Ed Avinger to the inactive roster. |
| 08-17-2065 | The St. Louis Cardinals have moved Grant Hobby to the active roster. |
| 08-17-2065 | The St. Louis Cardinals have acquired Grant Hobby from the waiver wire. |
| 08-10-2065 | The Edmonton Frostbite have waived Grant Hobby. |
| 08-31-2064 | The Edmonton Frostbite have moved Grant Hobby, Amos Burke, and Roland Stones to the active roster. The Edmonton Frostbite have moved Tarren Feather and Jack Jones to the inactive roster. |
| 08-04-2064 | The Edmonton Frostbite have moved Hal Mankins, Mark Tosi, and Ron Tannen to the active roster. The Edmonton Frostbite have moved Carl Harris, Lemme B. Frank, Grant Hobby, and Amos Burke to the inactive roster. |
| 08-27-2063 | The Edmonton Frostbite have moved Magilla Boryla, Roland Stones, Snidely Whiplash, Daniel Dunn, Larry Sutton, Billy Joe Don Baker, and Grant Hobby to the active roster. The Edmonton Frostbite have moved Bert Owens, Tom Norton, Loyd Rzempoluch, Dean Wormer, Rickey Calligaro, Jack Jones, and Michael Rudnick to the inactive roster. |
| 08-12-2063 | The Edmonton Frostbite have moved Michael Rudnick to the active roster. The Edmonton Frostbite have moved Grant Hobby to the inactive roster. |
| 01-09-2062 | The Edmonton Frostbite have moved Grant Hobby and Jim Soxx to the active roster. The Edmonton Frostbite have moved Zion Kinchen and Stan Krahl to the inactive roster. |
| 11-20-2061 | The Edmonton Frostbite have moved Zion Kinchen and Stan Krahl to the active roster. The Edmonton Frostbite have moved Grant Hobby and Jim Soxx to the inactive roster. |
| 11-13-2061 | Grant Hobby of the Edmonton Frostbite is injured with a shoulder dislocation and is expected to be out for approximately 46 days. |
| 09-29-2059 | The Edmonton Frostbite have moved Grant Hobby and Billy Mitchell to the active roster. The Edmonton Frostbite have moved Snake Pliscan and Ben Carney to the inactive roster. |
| 09-21-2059 | The Edmonton Frostbite have moved Snake Pliscan to the active roster. The Edmonton Frostbite have moved Grant Hobby to the inactive roster. |
| 09-21-2059 | Grant Hobby of the Edmonton Frostbite is injured with a hip contusion and is expected to be out for approximately 11 days. |
| 10-21-2057 | The Edmonton Frostbite have placed Grant Hobby on the Injured Reserve list for the remainder of the season. |
| 10-21-2057 | Grant Hobby of the Edmonton Frostbite is injured with a partial MCL tear and is expected to be out for approximately 66 days. |
| 10-01-2057 | The Edmonton Frostbite have moved Happy Gilmore and Grant Hobby to the active roster. The Edmonton Frostbite have moved Thing Two and Tom Wilson to the inactive roster. |
| 09-17-2057 | The Edmonton Frostbite have moved Alex Spaniel and Tom Wilson to the active roster. The Edmonton Frostbite have moved Happy Gilmore and Grant Hobby to the inactive roster. |
| 09-16-2057 | Grant Hobby of the Edmonton Frostbite is injured with a wrist inflammation and is expected to be out for approximately 9 days. |
| 01-01-2057 | The Edmonton Frostbite have placed Grant Hobby on the Injured Reserve list for the remainder of the season. |
| 12-31-2056 | Grant Hobby of the Edmonton Frostbite is injured with a shoulder muscle strain and is expected to be out for approximately 25 days. |
| 10-02-2056 | Trade #97466 has been completed between the Calgary Bruins and the Edmonton Frostbite. The Edmonton Frostbite receive Grant Hobby (LB) from the Calgary Bruins in exchange for Hambone Hochlson (T). |
| 08-09-2055 | The Calgary Bruins have moved Grant Hobby, Ike Thomas, and Glenn Baker to the active roster. The Calgary Bruins have moved George Ridgeway and Doug Burnine to the inactive roster. |
Linebacker