All clubs provide some sort of incentive to players wether it be money, job, car or other things it goes on.
Imagine if a player didn't put in 100% for his team. The Reds seem to go ok and some players are on at least 4 times as much money as others. If you deserve the payment you will get it. Players all have different motivations to why they play and in most cases money doesn't really come into it.imagine the the dressing room if some players were paid to play and some had to pay.