Police say 17-year-old Jay Nelson punched a 45-year-old man in the face on a northbound D train at the East 170th Street/Grand Concourse station just after 2:30 Saturday afternoon.
His friend, 16-year-old Malik Cruz, then allegedly tried to stab the man with a screwdriver.
The victim is expected to be okay.
Nelson and Cruz are charged with assault and menacing.
