Spartak Moscow defender Pavel Maslov and Spartak midfielder Ruslan Litvinov have both featured for Russia U21 in a friendly game against Slovenia U21.
20-year-old Maslov made the starting XI and was subbed off in the 2nd half.
19-year-old Litvinov entered the pitch in the 70th minute, making a debut appearance for Russia's youth side.
The game ended in a 2-2 draw, Russia equalising twice.