Grana is a plug and play option who makes an impact on both ends of the floor. He uses his strength on the defensive end to apply great ball pressure and come up with steals. He is at his best when he is on the attack going downhill and is a threat to play above the rim. Grana is a ballhawk who can fall into points by accident. He plays the right way and brings a great deal on energy. He did a nice job of finding shooters. Grana does a great job of using his quickness to jump screens.

Grana is an athletic downhill guard who does a nice job getting into the paint and finding ways to score around the bucket. He shows that he can hit an open three and is shot ready off the catch. He is an assertive defender who can find ways to turn the opposing team over. He plays with an energetic motor and is becoming more than just a glue guy. He is expected to have a bigger role for his high school team this upcoming season.