Robinho and Baptista missed training on Friday and were omitted from Madrid's 2-1 loss at Espanyol in the Spanish league the following day.
"The board is very keen to hasten this process and will decide on the case soon," Madrid said in a statement on its Web site.
The players are each likely to be fined between EUR3,000-4,000 (US$4,265-5,685), sports daily Marca said Tuesday.
Robinho was reported to have celebrated into Thursday morning after Brazil's 5-0 win over Ecuador in a World Cup qualifier in Rio de Janeiro.
Both players may be recalled for Madrid's Champions League match against Olympiakos on Wednesday.
Moscow is trying to stop Balkan countries from entering NATO. Greece eventually took measures against Russia, even though Greek Prime Minister Alexis Tsipras had earlier said that Russia was Greece's strategic partner
The Ukrainian government refuses to abode by its obligations, rejects a peaceful resolution of the conflict, and disregards its own people, the president said