Did the Mayas practice human sacrifice?

no the Mayas rarley ever sacrificed humans instead they sacrificed food, cloth, or llamas.

Yes the Mayans did practice sacrifice. Young virgins were "given" to the Gods, Pretty young and intelligent Boys were also given. The winners of Pok-to-pok were given on special occasions and when the Mayans won a battle the leader the was defeated was given as a sacrifice. They also gave food, llamas, Jaguars, jewels and Gold