Olympiacos can own stretches of possession and recycle clearances into wide entries. Sparta have midfield passers and wide outlets that can stop those stretches becoming continuous box pressure. Both teams can create from restarts, but their current attacking roles change the quality of the final contact. This points toward a tight game decided by a small number of clean finishes.
Olympiacos needed a short corner to score at Marseille despite limited clear chances, with Yaremchuk already starting in place of El Kaabi. Fortounis played in the recent Panetolikos match but is unavailable now, reducing a later creative option. Sparta's large Ararat output drew on Karabec's corner deliveries, and its next European match produced many distant shots; Karabec remains absent and Mercado is missing after playing the full Ostrava game. Sparta also kept a clean sheet at Ostrava without Ševínský, so its changed back line has recent match evidence. Olympiacos should still find territory, but the current final-pass and finishing roles on both sides point to fewer goals. That's why I'm siding with a lower-scoring Olympiacos against Sparta match.