The Slum Boys had not managed a win over the KPL's 2010 champions in seven of their last matches before the Machakos clash
Mathare United head coach Salim Ali as claimed the team is showing gradual improvement after registering a 2-1 over Ulinzi Stars on Saturday.
David Owino and Clifford Alwanga struck to give The Slum Boys their first win in seven matches over Ulinzi Stars and Ali says it is a testament his players are on an upward trajectory.
Daniel Waweru scored the Stars' goal.
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“There is gradual improvement and the win showed the work we do in training is registering in the minds of the players,” Ali, who took the club's reigns from Francis Kimanzi, told the club's website.