A possible concise summary is:
SunlessKhan and Gregan coach a nine-year-old new player named Sully for one month to see how much he can improve in Rocket League. They play with him in casual and ranked games, give him tips and training packs, and track his progress from silver to platinum. Sully impresses them with his skills, attitude, and personality, and becomes an honorary member of Rule One.
Some possible facts extracted from the text are:
1. The text is a transcript of a video about an experiment with a new Rocket League player who gets coached by a pro.
2. The new player is a nine-year-old boy named Sully who plays on the Xbox.
3. The pro coach is Gregan, an RLCS world champion coach.
4. The experiment lasts for one month and tracks Sully's progress from day one to week one to the final check-in.
5. Sully scores in a grand champion lobby after one week of coaching and reaches platinum rank in threes after one month.
6. Sully becomes an honorary member of Rule One, a team of Rocket League content creators.