 Pari gbolohun ti o tẹle: Riddick jẹ ọmọ ẹgbẹ ẹgbẹ 4 × 100 m ti Amẹrika, eyiti o gba 1977 IAAF World Cup pẹlu igbasilẹ agbaye tuntun ti 38.03 s pẹlu Cliff Wiley, Bill Collins ati Steve Williams. O tun jẹ ọmọ ẹgbẹ ti ẹgbẹ Amerika 4 × 100 m relay, eyiti o ṣẹgun Awọn ere Pan American 1979 pẹlu Mike Roberson, Harvey Glance ati Cliff Wiley ati pe o wa ni keji ni : 1979 IAAF World Cup pẹlu Mike Roberson, Harvey Glance àti Mel Lattany. 