A surprise inclusion after only being called up to Paraguay's training camp at the 11th hour.
Cuevas has barely featured for his club team in Argentina this season, so has something to prove this summer.
The 22-year-old has developed something of a reputation as a super-sub at domestic level, and is often used as an impact player.
Has pace to burn and is quick off the mark too - and will test tiring defenders if he is given a similar role for the national side.