There was a time when people in Britain weren't interested in the antics of American wrestlers. We had our own grappling superstars. Navdeep Rehill looks back at how the likes of Big Daddy, Giant Haystacks, Les Kellet and Young David used to entertain us on ITV'S World of Sport show every Saturday afternoon. He also reminisces about British heroes and villains that didn't compete in the wrestling ring.