From the perspective of a dumb american
S tier: Football, American Football, Volleyball
A tier: Basketball, Swimming, Hockey, Boxing, Gaelic football
B tier: Running, Figure skating, Mma, tennis
C tier: Cricket, Baseball, Cycling, F1, rugby
tbh there arent any sports shitty enough for d/f tier imo, unless you count golf, im sure im forgetting a bunch
edit: gaelic football is the most confusing awesome mess of a sport ive ever seen tf