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Edwin Rosario vs. Julio César Chávez
Date	November 21, 1987
Venue	Las Vegas Hilton, Winchester, Nevada, U.S.
Title(s) on the line	WBA lightweight title
Tale of the tape
Boxer
Boxer	Edwin Rosario
Nickname	Chapo; ("Shorty")
Hometown	Toa Baja, Puerto Rico
Purse	$500,000
Pre-fight record	26–2 (22 KO)
Age	24 years, 8 months
Height	5 ft 6 in (168 cm)
Weight	135 lb (61 kg)
Style	Orthodox
Recognition	WBA; Lightweight Champion; The Ring; No. 1 Ranked Lightweight
Result
	Chávez wins by 11th-round technical knockout

Edwin Rosario vs. Julio César Chávez was a professional boxing match contested on November 21, 1987, for the WBA lightweight title.^[2]

Background

Just before his scheduled title defense against Danilo Cabrera on August 21, 1987, reigning WBC super featherweight champion Julio César Chávez announced that his fight against Cabrera would likely be his last in the super featherweight division and that would be moving up in weight to challenge WBA lightweight champion Edwin Rosario in the fall of that year.^[3] Rosario, in his second reign as lightweight champion, was made a 7–5 underdog against the now 54–0 Chávez. Rosario, however, strongly criticized Chávez's choice of opponents prior to facing him stating that Chávez had mostly fought "guys right out of the bar", that he would be the "first real fighter he's going to fight" and that Chávez's management had "took him by the hand and built his record."^[4] Furthermore, Rosario claimed that Chávez was afraid to fight him and had only taken the fight after being pressured into fight by his promoter Don King, though Chávez denied Rosario's claims stating that "I wouldn't have signed for the fight if I was afraid of him."^[5]

The Fight

Chávez dominated Rosario throughout the fight, fighting well on the inside and battering Rosario with combinations to both the body and head all fight long. Chávez would connect with a staggering 61% of his 743 thrown punches while Rosario threw a similar amount (731) but connected with only 36%. By the 11th round, Rosario, who was bleeding from both his nose and mouth, suffering from a cut above his right eye and his left eye was swollen shut, had gotten backed into a corner by Chávez, who relentlessly attacked the exhausted Rosario. Finally, with Rosario taking a tremendous amount of abuse, his corner threw a white towel in the ring to signify surrender and in turn, Richard Steele stopped the fight with 22 seconds remaining, giving Chávez the victory by technical knockout.^[6]

Fight card

Confirmed bouts:^[7]

Weight Class	Weight		vs.		Method	Round	Notes
Lightweight	135 lbs.	Julio César Chávez	def.	Edwin Rosario (c)	TKO	11/12	^{Note 1}
Super Welterweight	154 lbs.	Julian Jackson	def.	Baek In-chul	TKO	3/12	^{Note 2}
Super Featherweight	130 lbs.	Victor Callejas	def.	Pedro Nolasco	KO	1/10
Super Featherweight	168 lbs.	Jose Rivera	def.	Ramiro Lozano	TKO	2/10
Super Welterweight	154 lbs.	Santos Cardona	def.	Joey Ferrell	PTS	8/8
Bantamweight	118 lbs.	Renaldo Carter	def.	Esteban Guzman	PTS	8/8
Cruiserweight	190 lbs.	Freddie Delgado	def.	Paul Madison	PTS	4/4

^Note 1 For WBA Lightweight title
^Note 2 For WBA Super Welterweight title

Broadcasting

Country	Broadcaster
United States	HBO

References

^ "The Ring Magazine ratings through November 2 1987". Gainesville Sun. New York: The Ring Magazine. 6 November 1987. Retrieved 1 December 2024.
^ "Julio Cesar Chavez vs. Edwin Rosario". boxrec.com. BoxRec. Retrieved 1 October 2024.
^ World Boxing Council junior lightweight champion Julio Cesar Chavez,..., UPI article, 1987-08-21 Retrieved on 2024-09-30
^ World Boxing Association lightweight champion Edwin Rosario, a 7-5..., UPI article, 1987-11-19 Retrieved on 2024-09-30
^ Julio Cesar Chavez's 54-0 record is one big lie..., UPI article, 1987-11-20 Retrieved on 2024-09-30
^ Chavez Finally Commands the Spotlight, NY Times article, 1987-11-23 Retrieved on 2024-09-29
^ "BoxRec - event".

Preceded by vs. Juan Nazario	Edwin Rosario's bouts 21 November 1987	Succeeded by vs. Ramiro Lozano
Preceded by vs. Danilo Cabrera	Julio César Chávez's bouts 21 November 1987	Succeeded by vs. Nicky Perez