Tigre and Boca will face in the third and last match of a triangular that also involved the San Lorenzo, after the three teams finished equal in the first place in the Open.
Boca, which will not stay on with the Colombian midfielder Fabian Vargas, and the talented midfielder Juan Roman Riquelme, looms as the favorite to retain the title after winning 3-1 at San Lorenzo de Almagro last Saturday.
Tigre, which fell in their first encounter 2-1 with San Lorenzo, Boca exceed by two goals, which would allow it to match points and goals for and against the whole xeneize and be champion for having expired on the seventh day .
The match will be played at the stadium of Racing Club.
Tiger's hopes rose when Riquelme received his fifth yellow card and was automatically suspended for the momentous event.
"For us it is very important because that is not Roman is indispensable in the scheme of Boca," said the Uruguayan midfielder Sebastian Rosano.