Ezequiel Lavezzi will miss the remainder of the Copa America with a fractured elbow.
Lavezzi scored Argentina's first goal in their 4-0 win over the United States.
Lavezzi came off in the second half when he landed awkwardly and tumbled over an advertising board.
After being taken away on a stretcher, medics confirmed the 31-year-old suffered a radial fracture in his left elbow.