Radio Monte Carlo claims that Spanish La Liga outfit are keeping close tabs on David Josue Colman and Ahmed Touba.
Los Che plan to recruit several high-profile footballers in January in an attempt to get their season back on track, but it appears they are also looking towards the future.
According to Radio Monte Carlo, Valencia are hot on the trail of Cerro Porteno midfielder David Josue Colman.
The 18-year-old has impressed in his debut season on senior level, making 12 league appearances and scoring 3 goals.
At the same time, los Che are looking at Club Brugge youngster Ahmed Touba, who has yet to be handed his first team debut.
The left-back, who can also play further up the pitch, has, however, started five games for Club Brugge in the UEFA Youth League this term.
Valencia find themselves just two points above the relegation zone after 12 rounds, and they are 15/4 to see off Sevilla on the road.