2 men questioned in stabbing death of Dodgers fan after Giants game

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Bryan Stow, a Santa Clara-area paramedic, is taken from County-USC Medical Center to be flown to San Francisco General Hospital. Doctors have been trying to determine the amount of brain damage Stow suffered in the beating. (Al Seib / Los Angeles Times)

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Family members of Giants fan Bryan Stow, who was attacked at Dodger Stadium on opening day, attend a news conference outside County-USC Medical Center. From left: Stow’s uncle John Devitt; mother, Ann Stow; sisters, Bonnie and Erin Stow; and father, Dave Stow. (Nick Ut / AP Photo)

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News vans camp out on the quiet Rialto cul-de-sac where two suspects in the beating of San Francisco Giants fan Bryan Stow were arrested Thursday morning. Story (Irfan Khan / Los Angeles Times)

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LAPD Chief Charlie Beck held a news conference Friday afternoon to announce that the two men, Louie Sanchez, 29, and Marvin Norwood, 30, have been charged with assault and mayhem in connection with the attack in a Dodger Stadium parking lot. Story (Bob Chamberlin / Los Angeles Times)

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Beck said the department no longer believes Giovanni Ramirez had anything to do with the Dodger Stadium beating. “In policing, it is just as important to exonerate the innocent as it is to implicate the guilty,” he said. Story (Bob Chamberlin / Los Angeles Times)

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Laurie Condren, of San Jose, collects donations for Bryan Stow and his family before the Giants-Dodgers game at AT&T Park in San Francisco. (Jed Jacobsohn / Getty Images)

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Mia Ochoa, 6, drops off cash as a donation for Stow at Dodger Stadium. The Dodgers collected donations for the beating victim and also made an undisclosed contribution to the family. (Damian Dovarganes / Associated Press)

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Jamey Carroll speaks about Bryan Stow before the Dodgers play the Giants in San Francisco. (Jed Jacobsohn / Getty Images)

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The Giants’ Jeremy Affeldt shakes hands with Jamey Carroll of the Dodgers after Carroll addressed Giants fans at AT&T Park. (Jed Jacobsohn/Getty Images)

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The Los Angeles Police Department, including the LAPD mounted unit, increased its presence at Dodgers games following the brutal beating. (Kevork Djansezian / Getty Images)

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Accompanied by Los Angeles Mayor Antonio Villaraigosa, LAPD Chief Charlie Beck announces the charges filed against Sanchez and Norwood. Story (Bob Chamberlin / Los Angeles Times)

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LAPD officers stand watch at an entrance to Dodger Stadium. (Kevork Djansezian / Getty Images)

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L.A. police officers have their base beneath an appropriate sign in the Dodger Stadium parking lot. (Genaro Molina / Los Angeles Times)

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Billboards around Los Angeles carried the likenesses of the suspects in the March 31 beating as police sought leads. (Kevork Djansezian / Getty Images)

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Los Angeles Police Department cadet Christian Ibarra hands out fliers before a Dodgers-Giants game in Los Angeles. Police received hundreds of tips from anonymous callers and chased leads that resulted in dead ends. Several potential suspects have been questioned and released. Sunday morning, police took into custody a man they believe is one of two suspects being sought, sources say. (Mark J. Terrill / AP Photo)

By Joseph Serna and Lee Romney

Sept. 26, 2013 10:12 AM PT

The following post has been updated. See details below.

Two men have been detained for questioning in the stabbing death of a Dodgers fan after a Giants game Wednesday night in San Francisco.

Jonathan Denver, 24, was pronounced dead at San Francisco General Hospital after he was stabbed at about 11:40 p.m. four blocks from AT&T Park, where 90 minutes earlier the Giants beat the Dodgers 6-4.

MORE: Bryan Stow’s family calls death ‘senseless’

Police confirmed that Denver was wearing Dodgers gear when he and another person he was with were attacked. The other man, who was not immediately identified, was bruised after being beaten, according to police.

The two men taken into custody after the attack were ages 18 and 21, according to San Francisco police. They were not immediately identified.

[Updated at 3:01 p.m. PDT, Sept. 26: An earlier version of this post said two men were arrested. San Francisco police say no arrests have taken place, and that two men were being held for questioning.]

The stabbing reportedly occurred after a fight broke out when someone made a comment about Dodgers gear, according to KGO-TV.

At least 10 people were involved in the fight, with one man wielding a knife and another a bat, the San Francisco Chronicle reported.

It was not immediately clear if others in the fight were wearing Giants gear, and police declined to comment on a possible motive for the fight.

Detectives were interviewing witnesses as the investigation continues, San Francisco Police Sgt. Danielle Newman said.

The Dodgers and Giants have a rivalry going back generations. In 2011, it turned violent when Giants fan Bryan Stow was severely beaten in the parking lot of Dodger Stadium.

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Twitter: @josephserna