SANTA CLARA, California: Paraguay midfielder Miguel Almiron was given a straight red card for covering his mouth in a confrontation with Turkey's Mert Muldur on Friday in the first instance of the new rule being applied at the World Cup.Almiron was sent off in first-half stoppage time after the exchange, with the dismissal confirmed by VAR as Paraguay led 1-0 in the Group D match.Players who cover their mouths with their hand, arm or shirt in confrontational situations receive a red card.The rule came into effect after Benfica's Gianluca Prestianni was accused of making discriminatory slurs to Real Madrid's Vinicius Jr with his mouth covered.