And she is the only licensed female pro boxer in Connecticut.
He was the only boxer who never made it.
As the only 17-year-old boxer, Jalless takes every course alone.
He took the silver medal, and was the only non-British boxer to win a bout.
He's also the only boxer from the Philippines ever to become world champion at middleweight.
And the fighter himself, the only American boxer on yesterday's schedule, apparently never questioned it.
He was then into the semi-final, as the only American boxer left, facing the 6 foot 4, 230 lb.
He is the only boxer with a Nike endorsement deal.
Lewis had been the only British boxer in this century to hold even a part of the heavyweight championship title.
He is the only boxer to be awarded a knighthood.