July 21 (Reuters) - SPORTING CLUBE DE PORTUGAL FUTEBOL SAD :
* SAYS SIGNS 4-YEAR CONTRACT WITH PLAYER MARCOS ACUNA FROM RACING CLUB DE AVELLANEDA
* SAYS AGREEMENT AMOUNTS TO 9.6 MILLION EUROS AND ALSO INVOLVES PREFERENCE RIGHTS OVER THREE OTHER PLAYERS
* SAYS TERMINATION CLAUSE OF MARCOS ACUNA IS SET AT 60 MILLION EUROS Source text: bit.ly/2uIAI0d Further company coverage: (Gdynia Newsroom)