Multiple cops reportedly entered Joe Mixon's Cincinnati-area home on Monday night ... hours after they launched an investigation into an alleged shooting in the NFL star's neighborhood.
The Hamilton County Sheriff's Office told FOX 19 its officers headed out to the 7900 block of Ayers Road -- where Mixon lives in Ohio -- at around 8:30 p.m. after receiving a call of gunshots being fired.
A juvenile, according to the report, had been injured and transported to the hospital.
On-the-scene reporter Chancelor Winn said deputies cordoned off Mixon's home with caution tape after arriving -- and, at one point, knocked on his door while saying, "Sheriff’s Department.