Alec Agar

Name: Alec Agar
Birth Name: Alexander Agar
Hometown: Australia
Pro Boxer: Record

Alec Agar supposedly died from injuries received during his April 17, 1884 bout with James Lawson (although BoxRec has a couple of later bouts for him). Source: Death under the Spotlight: The Manuel Velasquez Boxing Fatality Collection: [1]