Linked from

The 4 pages that link to John L. Sullivan, each with the reason it gives.

• Professional boxingRelated: His career bridged older prizefighting and the emerging modern professional sport.

• Heavyweight boxingRelated: His career marks the transition from bare-knuckle prizefighting to modern heavyweight boxing.

• James J. CorbettRelated: Corbett defeated Sullivan in 1892 to become heavyweight champion.