Original sentence: Many well-known players have competed in grenal games, including: Everaldo, Tesourinha, Aírton, Falcão, Éder, Valdomiro, Renato Gaúcho, Taffarel, Dunga, Emerson, Ronaldinho, Elías Figueroa, Nilmar, Oscar and Diego Forlán.The grenal is one of the fiercest football rivalries in South America.The grenal is the nickname for matches between two of Brazil's leading football clubs
Edited sentence: Grenal is the nickname for matches between two of Brazil's leading football clubs.Many well-known players have competed in Grenal games, including: Everaldo, Tesourinha, Aírton, Falcão, Éder, Valdomiro, Renato Gaúcho, Taffarel, Dunga, Emerson, Ronaldinho, Elías Figueroa, Nilmar, Oscar and Diego Forlán.The Grenal is one of the fiercest football rivalries in South America