Mayweather

Best lb4lb fighter in the world - theres a strong case
Most technically gifted boxer in the world - theres a strong case
Best boxer in the world - No, he would lose to 50+ fighters, probably a lot more

Ward

Best lb4lb fighter in the world - theres a case
Most technically gifted boxer in the world - theres a case
Best boxer in the world - No, he would lose to 30+ fighters, maybe a lot more