There's a few great/good fighters who never really got the kudos they deserved because they beat a well loved and long standing champion, a lot of the time a fighter would beat an ageing champ so already the knives would be out, other times the new champ would go on to have an excellent career but struggle for the acceptance,fame and credit they'd earned
Going way back Marvin Hart was criticised for only winning James J Jeffries old vacant belt as Jeffries was the undefeated,undisputed champ who'd beat Fitzsimmons and Corbett,so Hart wasn't really accepted like Jeffries plus Hart's reign wasn't that long
Then you had Tunney in Dempsey's shadow, Holmes in Ali's and Bugner in Cooper's
Why did Saddler never get the same adulation as Pep despite beating him 3 times out of 4? Was it because he beat a great champ?