On January 21, 1957, Yco captured its fourth straight National Open basketball crown, defeating San Miguel Brewery, 85-54, in the finale.
On July 27, 1957, the Redshirts retained the MICAA basketball title as they outclassed Seven-Up Bottlers, 79-67. Yco won the crown in 1954, lost to Seven-Up in 1955, and regained the title last year.
The 1958 National Open drew a field of 23 teams. The seeded teams were Yco, Ysmael, 7-Up, San Miguel Brewery, UAAP selection, San Beda, Letran and Mapua Tech.
Qualified in the next round to join the eight seeded teams were Jose Rizal College, Gregorio Araneta Enterprise, De La Salle, Heacock's, Crispa-Floro, Philippine Air Lines, Yellow Taxi and Clark Field.
Yellow Taxi halts Yco's incredible winning streak of 40 games on January 14, 1958. Days later, a vengeful Yco five was to smash Yellow Taxi,
99-55.
The Painters collect National Open championship number five
on a 92-60 rout of 7-Up.