Recent Chelsea signing Wallace is set for a starting berth in Brazil's South American Youth Championship opener against Ecuador on Thursday in Argentina.
The first choice right-back who is currently starring in defence for Fluminense will complete his move to Stamford Bridge in the coming northern summer. He is joined in the team by a number of hugely talented prospects including Mattheus, the son of 1994 World Cup winner Bebeto whose famous cradle-rock goal celebration he inspired.
Emerson Avila's team will be out to capture the Under 20 trophy for a record 12th time and are also joined in Group B by Peru, Uruguay and Venezuela.
- by Brad Davies