The reported solution is Joao Paulo at left-back, allowing Moreira, Pico and Diney to retain their places around goalkeeper Vozinha. That would give Cape Verde a familiar defensive platform in a match where uncertainty could be costly.
The wider structure is also expected to remain intact. Pina should continue in front of the defence, with Duarte, Monteiro and Rodrigues offering support from midfield and the wide areas. The plan appears straightforward: change the suspended player, preserve the rest of the back line and avoid unnecessary experimentation.
The report says Arcanjo is managing a hamstring issue, while Cabral has a knock. If neither is cleared, Cape Verde would lose two potential options for changing the contest from the flanks or between the lines.
That could place greater responsibility on Ryan Mendes, who is expected to remain one of the main attacking outlets, and Gilson Benchimol, who should lead the line. Against a Saudi Arabia side capable of punishing mistakes, Cape Verde may need their experienced attackers to turn a stable shape into a decisive threat.
The match is also expected to carry personal significance. Mendes is reportedly in line for his 100th Cape Verde appearance, while Vozinha could make his 93rd international appearance.
Those landmarks add another layer to a high-pressure night, but the immediate priority is qualification progress. The next storyline will be whether Joao Paulo can fill the gap on the left and whether the late fitness decisions force Cape Verde to become more conservative than planned.