Yankee Sullivan lost a fight to the bare-knuckle boxer who went by what nickname?
Yankee Sullivan Yankee Sullivan (born James Ambrose; c. March 10, 1811 – May 31, 1856), also known as Frank Murray and James Sullivan, was a bare-knuckle fighter and boxer. He was a prizefighting champion from 1851 to October 12, 1853. He considered himself to be the inheritor of Tom Hyer's title, and lost any claim to that title after losing a fight to John Morrissey.
Jack Blackburn Charles Henry "Jack" Blackburn (May 20, 1883 – April 24, 1942) was an American boxer and boxing trainer. Fighting in the first half of his career as a lightweight and later a welterweight, he was known for an exceptional defense and fought many men above his weight class, including six bouts with the great Sam Langford. He fought Joe Gans three times in no-decision bouts, defeating him once according to newspaper accounts and made good showings against Harry Lewis, Philadelphia Jack O'Brien, and Harry Greb. He found most of his fame training 1937 World Heavyweight Champion Joe Louis, but also had a significant role in training 1926 Lightweight Champion Sammy Mandell. He helped to train World Bantamweight Champion Bud Taylor and World Light-Heavyweight Champion John Henry Lewis.