Panathinaikos head coach Jesualdo Ferreira fears change at his club could lead to UEFA Champions League shock against Motherwell, after Giorgios Karagounis failed to make the trip to Scotland.
Karagounis, who scored the goal against
The Greece captain
also does not look like featuring in the second leg of the third qualifying round in
"I will only speak about the players who are part of my squad."
Former Rangers defender Jean-Alain Boumsong revealed at the weekend he and his team-mates are waiting on overdue wages.
Ferreira said the changes in his squad caused by the cashflow problems make him wary ahead of the Motherwell game.
He said: "I would say Panathinaikos are the favourite due to its history but both clubs are experiencing change and this change can produce surprises.
"Motherwell is a club with a short story in the Champions League but it's an opportunity for them to make history.
"Panathinaikos reached the final of the European Cup in 1971 and this is why they are favourites.
"But history shows you only have favourites until you reach the pitch and then you have to prove your ability."
Boumsong backed up his manager's wariness.
"We're going to face a very good team, especially as their fans will be behind them," the France international said.
"We have to stick together."
Motherwell is in the UEFA Champions League because of the collapse of Rangers, and Boumsong believes the crisis at his former club serves as a warning to the rest of
"It's a bad surprise what happened, but it's a lesson for everyone that football is not protected from the crisis," he said.
"Hopefully every single team will notice that they have to be careful with their financial situation.
"You can be on top one day and if you don't work hard to stay on top then you will collapse."
UEFA Champions League
Jupp Heynckes has hinted he may continue coaching elsewhere after guiding Bayern Munich to UEFA Champions League glory.