Tell me whether these sports require a ball or not to play: basketball, hockey, track and field, soccer, surfing, water polo, karate, football, gymnastics, skateboarding, golf, tennis, boxing, baseball, rugby, weightlifting, softball, rowing
Basketball, soccer, water polo, football, golf, tennis, baseball, rugby, and softball require a ball to play. Hockey, track and field, surfing, karate, gymnastics, skateboarding, boxing, weightlifting, and rowing do not require a ball.