Okello, who signed for Mathare from Tusker, has been handed his debut between the sticks for Mathare.
The experienced custodian will be shielded by a back four that has a new inclusion in Captain George Owino, playing alongside Samuel Olwande at the heart of defence while Martin Ongori and Mike Simiyu keep their places on the right and left respectively.
The pair of Francis Omondi and Roy Okal also makes a return to the starting squad.
The duo will pull the strings from the midfield with Roy Okal providing defensive cover in what is his third consecutive start this season.
Chris Ochieng’ will join Cliff Nyakeya on the flanks of our three-prong attack that also has club top scorer Clifford Alwanga.
Starting XI: (GK), Mike Simiyu, Martin Ongori, George Owino, Samuel Olwande, Roy Okal, Francis Omondi, Chrispin Oduor, Cliff Nyakeya, Chris Ochieng’, Clifford Alwanga.
Reserves: Job Ochieng, Lennox Ogutu, James Situma, David Owino, Ahmed Ahmad, Alphonce Ndonye, Ronald Reagan.