Numbers in this table represent the number of minutes played at each position. ST represents special teams positions other than K or P.
| Date | Transaction |
| 02-28-1977 | Karon Greenwood has retired from football. |
| 08-09-1976 | The New Orleans REBELS have waived Karon Greenwood. |
| 09-02-1974 | The New Orleans REBELS have moved Baylon Brees, Karon Greenwood, Rick Sauls, and Alonzo Vactor to the active roster. The New Orleans REBELS have moved Nick Johnson to the inactive roster. |
| 08-05-1974 | The New Orleans REBELS have moved George Dumont, Nick Johnson, Matt Wilson, Charlie Vinson, and Corey McNeil to the active roster. The New Orleans REBELS have moved Baylon Brees, Karon Greenwood, Rick Sauls, and Alonzo Vactor to the inactive roster. |
| 09-03-1972 | The New Orleans REBELS have moved Karon Greenwood to the active roster. The New Orleans REBELS have moved Rick King to the inactive roster. |
| 09-03-1972 | Trade #28449 has been completed between the New Orleans REBELS and the Pittsburgh Ironheads. The Pittsburgh Ironheads receive Draft Pick - 1974 Round 4 (NO) from the New Orleans REBELS in exchange for Karon Greenwood (WR). |
| 08-07-1972 | The Pittsburgh Ironheads have placed Karon Greenwood on the trade block. |
| 04-30-1972 | The Pittsburgh Ironheads have moved Tom Sabb and Warren Pritchard to the active roster. The Pittsburgh Ironheads have moved Karon Greenwood and Jim Hood to the inactive roster. |
| 10-24-1971 | Karon Greenwood of the Pittsburgh Ironheads is injured with a hip contusion and is expected to be out for approximately 7 days. |
| 09-07-1970 | The Pittsburgh Ironheads have moved Karon Greenwood to the active roster. The Pittsburgh Ironheads have moved Scott Rosen to the inactive roster. |
| 08-16-1970 | The Pittsburgh Ironheads have moved Del Scott to the active roster. The Pittsburgh Ironheads have moved Karon Greenwood to the inactive roster. |
| 09-08-1969 | The Pittsburgh Ironheads have moved Karon Greenwood to the active roster. The Pittsburgh Ironheads have moved Terreal Duckens to the inactive roster. |
| 09-08-1969 | The Pittsburgh Ironheads have acquired Karon Greenwood from the waiver wire. |
| 09-01-1969 | The San Francisco Great Whites have waived Karon Greenwood. |
| 08-18-1969 | The San Francisco Great Whites have moved Lloyd McQuilken, Jack Torrance, Wayne Richardson, Don Corleone, Eddie Clement, Karon Greenwood, and Erwin Holmes to the active roster. The San Francisco Great Whites have moved Tom Matheson, Lance Jones, Curtis Bowie, Joe Demko, Gary Hanna, Adam Siemon, and Mark Higgins to the inactive roster. |
| 08-17-1969 | The San Francisco Great Whites have moved Jeff Zerbe to the active roster. The San Francisco Great Whites have moved Karon Greenwood to the inactive roster. |
| 08-10-1969 | The San Francisco Great Whites have moved Karon Greenwood to the active roster. The San Francisco Great Whites have moved Wayne Richardson to the inactive roster. |
| 08-10-1969 | Trade #23428 has been completed between the Minnesota Vikings and the San Francisco Great Whites. The San Francisco Great Whites receive Karon Greenwood (WR) from the Minnesota Vikings in exchange for Marcellus Wallace (C). |
| 08-10-1969 | The Minnesota Vikings have moved Wylie Herndon and Lowell Leigeb to the active roster. The Minnesota Vikings have moved Karon Greenwood and Thomas Crabb to the inactive roster. |
| 08-09-1965 | The Minnesota Vikings have moved Karon Greenwood, Ronde Smith, Steve Brown, Bob McCutcheon, George Shannon, Elbert Johnson, Don Carroll, Bernard Alexander, and Jack Zimmerman to the active roster. The Minnesota Vikings have moved Guy Robinson, Pete Thielemann, and Al Kinder to the inactive roster. |
Wide Receiver