Dave's soccer team has been nicknamed `The Screwballs', much to his dismay. But the name has stuck because, Dave reluctantly admits, they are in fact a pretty hopeless team. Every week they eat the dust of the team down the road known as 'BloodnGuts'. That is ... until The Screwballs inherit a most unlikely new member of the team! Their new star player turns out to be ... Dave's older sister Me…