29 Apr 2001
Roberto Carlos Leyva beats Daniel Reyes via unanimous decision 12/12
Minimumweight (105 lb)
Roberto Carlos Leyva becomes the IBF Minimumweight world champion
28 Sep 2001
Roberto Carlos Leyva and Miguel Barrera share a draw 12/12
9 Aug 2002
Miguel Barrera beats Roberto Carlos Leyva via unanimous decision 12/12
22 Mar 2003
Miguel Barrera beats Roberto Carlos Leyva via knockout 3/12
10 Apr 2004
Daniel Reyes beats Roberto Carlos Leyva via knockout 3/12
31 Jul 2004
Ivan Calderon beats Roberto Carlos Leyva via unanimous decision 12/12
24 Nov 2007
Edgar Sosa beats Roberto Carlos Leyva via knockout 4/12
Light Flyweight (108 lb)