Originally Posted by
DarthEnderX
It does if one of those 8 people had super strength as a Quirk.
All Might said that he was Quirkless, but that the person who had One For All before him wasn't. So it is possible to have other Quirks in addition to having One For All. If one of those other 7 people had a Super Strength Quirk, and Quirks got passed on along with everything else with One For All, then it would explain why All Might has the strength of, like 100 people, when he should only have the strength of 8.