City have built up debts of £ 50million in bankrolling Keegan's surge towards the top but director Dennis Tueart insists that glory rather than cash would be paramount in a run to the latter stages.
Tueart said: 'Victory now keeps the season alive to February, it keeps everybody going. This is why Kevin bought such quality players in the summer.
'You have to budget for going out early and the financial benefits are not the same as the Champions League. But it's about credibility. We want players to choose Manchester City when they move.'
Goalkeeper Seaman, hurt in a weekend collision with Newcastle's Alan Shearer, should play, although Peter Schmeichel's son Kasper, 17, has travelled with the squad for experience.
City expect 500 fans in a stadium that holds 5,000, although there is a fear that their flight into Poznan airport today may have to be diverted to Berlin because of fog.
Groclin's millionaire owner Zbigniew Drzymala has vowed never to drive his new Porsche if his team fail. City hope the wheels do not come off Keegan's UEFA Cup bandwagon just yet.
