The assault, which took place May 14, sent a teenager to the hospital, police said.
One of the attackers remained at large Tuesday morning, police said.
Both men are in stable condition, police said.
The 37-year-old victim's eye was badly injured in the attack, police said.
Sanjae Douglas, 25, faces nine charges including attempted gang assault for the Oct. 2 attack.
Three students were arrested for beating a 67-year-old newsstand vendor, who slashed one of the teens.
Wayne Harris murdered Daryl Washington and the four others were charged with assault, police said.
A 24-year-old was charged with participating in an attack that killed a 23-year-old, police said.
Ezequiel Pena and Stanley Hampton were arrested for beating Antonio Lyles, who later died, cops said.
Attorneys for Kevin McCarron's accused attackers said they hope new video will vindicate their clients.
Hatem Farsakh is charged with attempted murder, but says he has no plans to cooperate with prosecutors.
Kevin McCarron, 24, was brutally beaten by a group armed with baseball bats, police sources said.
Hatem Farsakh and Sherif Rizk were arrested in Sunday's attack, cops said.
Police arrested a third suspect in the murder of Jose Reyes-Silva, a 22-year-old pizza delivery man.
Five girls were charged in connection with a stabbing that took place during a melee on the 6 train.
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