GameCritics.com
   Review with screen shots.
   http://www.gamecritics.com/review/kk2001/main.php

GamePro.com - Knockout Kings 2001
   Review of PlayStation 2 version with screen shots.
   http://www.gamepro.com/sony/ps2/games/reviews/11306.shtml

GameSpot
   Review with screen shots, codes, and movies [scores 4.8/10]. [PlayStation 2]
   http://www.gamespot.com/ps2/sports/knockoutkings2001/

Gaming Age - Knockout Kings 2001 (PS2)
   Review with screen shots [scores B+].
   http://www.gaming-age.com/cgi-bin/reviews/review.pl?sys=ps2&game=kk2001

IGN - Knockout Kings 2001 (PS2)
   Review with screen shots and movies [scores 8.6/10].
   http://ps2.ign.com/articles/164/164647p1.html

IGN - Knockout Kings 2001 (PSX)
   Review with screen shots and movies [scores 8.2/10].
   http://psx.ign.com/articles/164/164646p1.html

PlanetPS2 - Knockout Kings 2001 (PS2)
   Review with screen shots [scores 85/100].
   http://www.planetps2.com/features/reviews/2001/kokings2001/