Stir the picante sauce and barbecue sauce in a small bowl. Reserve all but 1/2 cup picante sauce mixture to serve with the chicken.
Lightly oil the grill rack and heat the grill to medium. Grill the chicken for 15 minutes or until cooked through, turning and brushing often with the remaining picante sauce mixture. Discard the remaining picante sauce mixture.
Serve the chicken with the reserved picante sauce mixture.
