According to the LAPD, it happened just after 10 a.m. in the 2900 block of 9th Avenue near Mont Clair Street.
The victim was possibly pistol-whipped, police said, as he was seen suffering a laceration wound to his head.
The two suspects were last seen heading north on 9th Avenue in a gray Honda Civic.
No other information was immediately available.
Anyone with information is asked to call police.