A 21-year-old man from the Far South Side is charged with battery after allegedly punching multiple people outside of bars in Wrigleyville and Boystown on the Fourth of July weekend. And it appears that one of his knockout punch performances was captured on video.Jerome J. Moore was apprehended after he punched a 42-year-old Northalsted Business Alliance security guard in the 3300 block of North Halsted, prosecutors said.He had been seen “striking multiple people” before hitting the guard, according to witnesses who spoke with police. Within a day of Moore’s arrest, a video surfaced on Twitter of a similar-looking man knocking a guy out in the 3500 block of North Clark Street. A Twitter user wrote that the punch thrower “was walking around all the bars and outside smoking areas starting shit.”