You can get known for your good sportsmanship and develop a positive reputation. In other areas of your life people may be more inclined to respect and trust you, and that can lead to opportunities. You could be seen as being a fair and honest person. You could become a good role model. People may ask your advice or even offer you jobs. When you need to get things done and need help from other people, they may be more willing to do it. You will be likely to have a good disciplined approach to things, which is a positive trait for getting things done. You will have learned a lot of that by being fair to your team mates and opponents. You will see how it works positively in sport and take the same approach in other areas of your life and do well there too. So there are lots of ways it will help.