Boca Juniors were delegated champions of Argentina for a 32nd time after adversaries Banfield endured crush on Tuesday.
A 1-0 misfortune to San Lorenzo left Banfield not able to get Boca, who are five focuses clear at the top.
Guillermo Barros Schelotto’s men have lost only three class amusements this season, with Boca’s title drawing them a stage nearer to River Plate’s record of 36.
Boca have been driven by Dario Benedetto (18 association objectives, three helps) and 21-year-old Argentinian Cristian Pavon (nine objectives, seven helps).
Carlos Tevez had gotten five objectives before his lucrative move to Shanghai Shenhua in December.
Fernando Belluschi scored a 56th-minute champ for San Lorenzo in their triumph over Banfield.
Boca (59 focuses) have two amusements to play, as do third-set River (52), while Banfield (54) and San Lorenzo (52) have one each.