Ray was 5'11 with a 72 inch reach. Nunn was 6'1 with a 77 inch reach. Ray was not in his prime at all when he fought Fullmer at Middleweight. He was at his best at WW over a decade earlier. Nunn was absolutely prime at 160. You don't think a five inch reach difference between Robinson and Nunn is significant? How about a nearly 15 year age gap? Robinson was in his mid 30's and had well over 150 fights by the time he fought Fullmer.