| Date | Transaction |
| 02-28-2048 | Harper Bierce has retired from football. |
| 09-04-2045 | The St. Louis Cardinals have waived Harper Bierce. |
| 09-04-2045 | The St. Louis Cardinals have moved Mike Bellisari, Kerry Bowen, Vernon Watson, Saint Atkins, and Alex McLain to the active roster. The St. Louis Cardinals have moved Derrick Gardner, Harper Bierce, John Hunter, and Louis Lowery to the inactive roster. |
| 01-09-2045 | The St. Louis Cardinals have moved Harper Bierce to the active roster. The St. Louis Cardinals have moved Vernon Watson to the inactive roster. |
| 01-09-2045 | The St. Louis Cardinals have acquired Harper Bierce from the waiver wire. |
| 10-23-2044 | The Montreal Mastodon have waived Harper Bierce. |
| 09-26-2044 | The Montreal Mastodon have moved Wee Willy Wannabe and Everett Tullis to the active roster. The Montreal Mastodon have moved Dick McWilliams and Harper Bierce to the inactive roster. |
| 09-25-2044 | Harper Bierce of the Montreal Mastodon is injured with an ankle ligament sprain and is expected to be out for approximately 16 days. |
| 09-05-2044 | The Montreal Mastodon have moved Harper Bierce to the active roster. |
| 09-05-2044 | The Montreal Mastodon have acquired Harper Bierce from the waiver wire. |
| 09-07-2043 | The St. Louis Cardinals have moved Larry Watts to the active roster. |
| 09-07-2043 | The St. Louis Cardinals have waived Harper Bierce. |
| 09-07-2043 | The St. Louis Cardinals have moved Mike Bellisari, Vernon Watson, and Saint Atkins to the active roster. The St. Louis Cardinals have moved Harper Bierce, Ben Hunter, and Juran Woods to the inactive roster. |
| 01-11-2038 | The St. Louis Cardinals have moved Norris Farragut, Charley Weaver, Tom Yoder, Dewey Dawdle, Harper Bierce, and Kevin Parks to the active roster. The St. Louis Cardinals have moved Gordon Steuber, Don Hardy, Mike Johnson, Vernon Watson, Issiac Rison, and Saint Atkins to the inactive roster. |
| 10-05-2037 | The St. Louis Cardinals have acquired Harper Bierce from the waiver wire. |
| 09-07-2037 | The St. Louis Cardinals have waived Harper Bierce. |
| 09-07-2037 | The St. Louis Cardinals have moved Vernon Watson, Craig Huffman, and Saint Atkins to the active roster. The St. Louis Cardinals have moved David Hedison, Harper Bierce, and James Rizzo to the inactive roster. |
| 12-29-2036 | The St. Louis Cardinals have moved Bombay Jin, Josh Jacquet, Tom Yoder, Harper Bierce, and Jeff Staggers to the active roster. The St. Louis Cardinals have moved Mike Johnson, Vernon Watson, Izzy Thomas, Saint Atkins, and Paul Grant to the inactive roster. |
| 12-14-2036 | The St. Louis Cardinals have acquired Harper Bierce from the waiver wire. |
| 09-01-2036 | The San Diego Oilers have moved Dave Reutt to the active roster. |
| 09-01-2036 | The San Diego Oilers have waived Harper Bierce. |
| 09-01-2036 | The San Diego Oilers have moved Bill Stoeklein, Tim Henley, Cliff Wells, Charley Weaver, and David Pitzer to the active roster. The San Diego Oilers have moved Dave Reutt, John Rentz, Anthony Ellis, and Harper Bierce to the inactive roster. |
| 11-26-2035 | The San Diego Oilers have moved Spud Mackenzie, Larry Blake, David Pitzer, and Harper Bierce to the active roster. The San Diego Oilers have moved Will Smith, Bill Stoeklein, Tim Henley, and Wood Chucker to the inactive roster. |
| 11-12-2035 | The San Diego Oilers have moved Jesse Sutton, Spud Mackenzie, and Cliff Wells to the active roster. The San Diego Oilers have moved Johnny Vezmar, Harper Bierce, and Will Smith to the inactive roster. |
| 10-29-2035 | The San Diego Oilers have moved Harper Bierce to the active roster. The San Diego Oilers have moved Bill Stoeklein to the inactive roster. |
| 10-29-2035 | The San Diego Oilers have acquired Harper Bierce from the waiver wire. |
| 08-20-2035 | The San Diego Oilers have waived Harper Bierce. |
| 08-06-2035 | The San Diego Oilers have moved Harper Bierce and Winfield Plansky to the active roster. The San Diego Oilers have moved Jodie Mungro and Josh Jacquet to the inactive roster. |
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