ProSeason00

Prior to Season 01, Pro League ran as a challenge-based pyramid competition. This format ceased in June 1997.

Summary
Competing Teams : The Alliance, Apocalypse, Black Company, Black Dragon, Black Hole, Corona/Coercive Acts, Conclusive, Doomsday, Dukes Of Hazzard, FuN!, Harvester Of Sorrow, Heaven's Army, Illuminati, Infinite Death, Killjoy Marauders, Knightz, Lemon Zinger, Lite^Speed/Adrenaline, Logical, Lost Rocks/Rock Garden, ONE, Paradox(-WZ), Pharcyde, Phatboyz Elite, Punishers, ReDs, Renegade, - Saturn -, The Shadow, Silver Ring, Soultakers, Sphere, Starfire Elite, Striker Elite, Synergy, Templar Knights, Vulture Squad, Warhawks, Winds Of War, X2. Champions: ONE. Runners-Up: unsure if there was such a classification

Divisional Split
There was an upper and lower section of the pyramid, but it would change boundaries as the season progressed.

Regular Season
''Uncertain when the season started. There are hints that champions were announced more than once, lending credibility to the possibility of multiple seasons, although seasons' end seemed to be "called" at some point rather than established before start.'' May 3/4, 1997 : May 10/11, 1997 : May 17/18, 1997 : May 24/25, 1997 : May 31/June 1, 1997 : June 8/9, 1997 : June 15/16, 1997 : June 22/23, 1997 4th of July weekend : This was announced as being the last weekend of the Pyramid league.