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. 

Borussia Dortmund has dismissed speculation that Marco Reus could miss up to six months with an adductor injury.

Dortmund believes Reus is expected to be fully fit by mid-August.

A club statement read: "Marco Reus is currently on vacation recovering from a small tear of the adductor as well as light pubis inflammation, which was already known.

"The 27-year-old has certainly not suffered damage to a tendon or his pubic bone, leading to him missing the rest of 2016, as was peddled today.

"Injuries of this kind were not diagnosed by doctors of the club or doctors of the national team.

"Reus, who scored 23 goals in 43 games for BVB last season, will be fully fit by mid-August if his recovery goes to plan."

Lionel Messi has been ruled out of Argentina's Copa America opener against Chile.

Messi picked up a back injury in a friendly leading up to the tournament and he's still experiencing pain.

Nicolas Gaitan will start in Argentina's XI instead of Messi.

The match against Chile is a rematch of the 2015 Copa America Final.

Lionel Messi trained alone on Saturday ahead of Argentina's match on Monday against Chile to open the Copa America.

Messi returned to California after testifying in a tax fraud trial in Spain.

Messi is recovering from a back injury suffered in a friendly against Honduras.