Boca Juniors claimed a share of first place in the Argentine league and extended their unbeaten run to 36 matches with a 2-0 victory over San Lorenzo in a Buenos Aires derby Sunday.
Tigre have also won 10 points from four matches following a 1-0 victory over Lanus on Sunday.
Boca and Tigre are two ahead of Velez Sarsfield, Estudiantes and All Boys.
In other matches Sunday, Colon and Union drew 2-2, and Arsenal and Racing played a scoreless draw.