Having already made an impression for the Brazilian giants, the 17-year-old is being linked with a switch to Europe in January.
Real Madrid are said to be willing to invest in the teenager, who has netted six goals from 10 outings for his Brazil's Under-17 side.
Due to his impact in the senior ranks at Flamengo, the playmaker is currently training with Brazil's Under-23 setup, where has has been quizzed about his future.
When being asked about a potential transfer to the Bernabeu, Reinier told reporters that "we have to wait", aware that no deal can be completed until he turns 18 years of age on January 19.
Goal.com has previously reported that discussions have been held with all parties ahead of a transfer later this month. body check tags ::