"Let's play soccer this weekend."
The verb する, meaning to do, is usually supplanted with the most natural and appropriate word in whatever language you are translating into from Japanese. However, you will run into this concept as you learn more verbs, that you "do soccer/football", that you do study, that you "do baseball."
@AaronBauma5 I think you are correct. There are some examples in here : https://ejje.weblio.jp/sentence/content/%E4%BB%8A%E9%80%B1%E6%9C%AB%E3%81%AB