Owen Swift
... that the bare-knuckle prize fighter Owen Swift killed at least three opponents, leading to the rewriting of the rules of boxing?
... that the <a href="./Bare-knuckle_boxing" id="mwBJw" rel="mw:WikiLink" title="Bare-knuckle boxing">bare-knuckle</a> <a class="mw-redirect" href="./Prize_fighter" id="mwBJ0" rel="mw:WikiLink" title="Prize fighter">prize fighter</a> <b id="mwBJ4"><a href="./Owen_Swift" id="mwBJ8" rel="mw:WikiLink" title="Owen Swift">Owen Swift</a></b> <i id="mwBKA">(pictured)</i> killed at least three opponents, leading to the rewriting of the rules of boxing?