It's Mark's tournament to lose, he's the best kid in the weight class by far. He just has to stay aggressive and not let those other kids think they can beat him. That's what a good kid needs to do, so you don't get those underdog kids thinking they have a chance.
If the Lord is your shepherd, He is sufficient for all your needs.
God doesn't need a lot to do a lot. All David had was five stones. And all David used was one.