The incident happened as the victim was sitting in his car in the 700-block of Sheridan Road around 7:13 p.m.
The 30-year-old man said a man and a woman approached him, Chicago police said.
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The man started to attack the victim with a baseball bat, while the woman allegedly kicked and pepper-sprayed him, police said.
The victim was taken to the hospital where he was treated and released.
No one is in custody. CPD Area Three detectives are investigating.
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