David Alonso López (November 24, 1977 – July 6, 2017) was a professional boxer who went by the nickname of The Destroyer.
 David was a Mexican professional boxer in the Middleweight division and was the former IBA Middleweight Champion.
Tony Thornton (November 8, 1959 – September 10, 2009, in Camden, New Jersey) was an American professional boxer who died of a motorcycle accident on 10 September 2009.
 During his career as a professional boxer, Tony fought three times for the world Super Middleweight Championship.
 Tony attended West Chester University of Pennsylvania.
Jason Cook (born 27 February 1975 in Maesteg, Wales) is a professional boxer, who fights under the nickname "The Power".
 As an amateur, he won a silver medal for Wales at the 1994 Commonwealth Games.
 As a professional, he has fought as a lightweight, and has won both the European and IBO championships at the weight.
 He currently campaigns at Light-Welterweight, and fights out of Fight Academy Wales gym in Llanharan, South Wales under the guidance of professional coach Darren Wilson.
Steve Ward (born c. 1956) is a British professional boxer, notable for being the oldest professional boxer in the world.
 He was confirmed as such in 2011 at age 54.
 He lost the distinction in 2015, when an older fighter competed in a professional bout, but regained it later that year when he fought professionally at 59.
 His original boxing career lasted from 1977 to 1987.
 He made a comeback in 2010, and as of 2015 had no plans to retire.
Robert "Rocky" Balboa is the title character of the "Rocky" series.
 The character was created by Sylvester Stallone, who also portrayed him in all seven "Rocky" films.
 He is depicted as an everyman who started out by going the distance and overcoming obstacles that had occurred in his life and career as a professional boxer.
 While he is loosely based on Chuck Wepner, a one-time boxer who fought Muhammad Ali and lost on a TKO in the 15th round, the inspiration for the name, iconography and fighting style came from boxing legend Rocky Marciano.
Robert Bozic (born 1950) was a professional heavyweight boxer from Toronto, Canada between 1970-77.
 His boxing record was 24-2 (7 KOS).
 He fought and lost to Larry Holmes in Madison Square Garden in 1973.
Charles Sieger was an Italian-American boxer who fought in the early 1900s.
 Fighting out of Hoboken, New Jersey, he was not particularly known for his fighting skills, but had tremendous strength and was able to withstand brutal punishment in the ring, which earned him the nickname "The Iron Man."
 On November 14, 1902 he fought Joe Gans for the World Lightweight Championship in Baltimore, but lost by TKO in the 14th round.
 One month later on December 31 he fought Gans again in Boston, this time with the match ending in a pre-arranged draw.
 In 1915, Sieger ran for mayor of Hoboken, but lost the election.
Larry Holmes (born November 3, 1949) is an American former professional boxer who competed from 1973 to 2002.
 He grew up in Easton, Pennsylvania, which gave birth to his boxing nickname of the "Easton Assassin".
Monte H. Deadwiley (February 15, 1905 – October 26, 1961) was an American professional boxer nicknamed "Wildcat Monte" who fought as a welterweight boxer.
 He was active from 1923 to 1937 and fought a recorded 313 times in his 13 year-career.
 He has been regarded as one of the most active boxers of his time having fought over 30 times in one year periods throughout his career.
Mahir Oral is a German professional boxer who has fought as a middleweight.
 Mahir has twice fought for the IBF middleweight world title, although he lost both fights.

Question: Robert Bozic fought and lost to a professional boxer with what nickname?
Answer: Easton Assassin