Top 5 boxers with the greatest footwork and footspeed of all time?

My list of the greatest 5 boxers based on handspeed and footspeed combination are 3 time world heavyweight champion Muhummad Ali, 2 time welterweight, junior middleweight, middleweight champion Sugar Ray Leonard, lightweight and welterweight champion Pernell Whitaker, lightweight and welterweight champion Floyd Mayweather, and welterweight and 5 time middleweight champion Sugar Ray Robinson. the general ringmanship, ability to yze the opposition, and confidence these men have displayed in the ring have exceeded thier reputations as all time greats in boxing.