Another NFL player is accused of attacking a woman -- this time, it's Indianapolis Colts defensive end Chris McCain ... who's being charged with battery stemming from a January incident.
According to official documents obtained by TMZ Sports ... the 26-year-old is accused of spitting on a woman and forcefully grabbing her neck in Los Angeles on January 7th.
Details surrounding the incident are unclear -- we know he's been formally charged with 2 misdemeanor counts of battery.
If convicted, McCain faces up to 6 months in jail plus fines and probation.