Newell's Old Boys extended their lead at the top of the Argentine Primera Division to three points after a 2-0 win at Quilmes.
Former Liverpool star Maxi Rodriguez opened the scoring in the 37th minute before laying on the assist for Diego Mateo's strike on 56 minutes.
The victory means Newell's Old Boys move to 23 points, one win clear of San Lorenzo, who could only manage a goalless draw at home against Tigre.
Arsenal, who is level on points with San Lorenzo, secured a 1-0 win at Colon to maintain their record as the division's only unbeaten side.
Striker Julio Furch scored the only goal of the game in the 77th minute that condemned Colon to their fifth consecutive loss in the league.
Racing Club extended their winless run in all competitions to 12 as they went down by a single goal at home against Atletico Rafaela.
A penalty from Diego Vera secured the points for Rafaela, as Racing Club's fans voiced their displeasure at their team at the final whistle with the Buenos Aires-based club bottom of the division with only two points from 10 games.
Olimpo snatched a point against Estudiantes as they salvaged a 1-1 draw with a 90th minute equaliser.
Defender Matias Sarulyte's last-gasp goal cancelled out Estudiantes subsitutute Carlos Auzgui's 54th minute strike.
In the Superclasico derby, Boca Juniors held on to a 1-0 win away to River Plate.
Both teams have endured mixed starts to the season but Emmanuel Gigliotti's 23rd minute effort could kick start Boca's season.
Two second-half goals propelled Godoy Cruz to a 2-0 triumph over All Boys.
In other matches, Belgrano earned a hard-fought 3-1 win at Argentinos Juniors, Gimnasia La Plata overcame Velez Sarsfield 2-1 and Rosario Central leaped out of the relegation zone after a 2-1 victory against Lanus.
|15||L. Pérez Godoy|
|Coach: N. Vivas|
for S. Hipperdinger 46'
for L. Pérez Godoy 66'
for D. Diellos 72'
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