Knockout Kings games in order

All 4 games of the Knockout Kings series in the order they came out, from Knockout Kings (1998) to Knockout Kings 2003 (2002).

1. 
   Knockout KingsPS1, N64, PS2 +1 · EA Sports (pub.)
   1998
2. 
   Knockout Kings 2001PS1, PS2 · Electronic Arts (pub.)
   30 Oct
3. 
   Knockout Kings 2002PS2, Xbox
   4 Mar
4. 
   Knockout Kings 2003GameCube
   9 Oct