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GRBA – Next Level Skill Sets

GRBA – Next Level Skill Sets
Scott Hankamp
Scott Hankamp July 30, 2025 @ 05:20 AM
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In this article:

Tyrese Jones
Tyrese Jones 5'11" | PG | 2026
IN
Taj Osborne
Taj Osborne 5'11" | PG | 2026
MI
Colin Stack
Colin Stack 7'0" | C | 2026
IL
Brendan Slack
Brendan Slack 6'4" | PG/SG | 2026
FL
<!-- wp:paragraph --> <p>The GRBA National Championships featured a very nice collection of talent. There were top notch players and player performances scattered throughout the gyms. We're going to look at some players that flashed next level skill sets at the event.</p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p>You can find more player coverage from the GRBA National Championships below!</p> <!-- /wp:paragraph --> <!-- wp:embed {"url":"https://prephoops.com/2025/07/grba-national-championships-17u-standouts/","type":"wp-embed","providerNameSlug":"prep-hoops"} --> <figure class="wp-block-embed is-type-wp-embed is-provider-prep-hoops wp-block-embed-prep-hoops"><div class="wp-block-embed__wrapper"> https://prephoops.com/2025/07/grba-national-championships-17u-standouts/ </div></figure> <!-- /wp:embed --> <!-- wp:embed {"url":"https://prephoops.com/2025/07/grba-17u-standouts-part-2/","type":"wp-embed","providerNameSlug":"prep-hoops"} --> <figure class="wp-block-embed is-type-wp-embed is-provider-prep-hoops wp-block-embed-prep-hoops"><div class="wp-block-embed__wrapper"> https://prephoops.com/2025/07/grba-17u-standouts-part-2/ </div></figure> <!-- /wp:embed --> <!-- wp:acf/evaluation-block {"name":"acf/evaluation-block","data":{"player_evaluations_0_player":["1588185"],"_player_evaluations_0_player":"field_62ab9d62ecf2c","player_evaluations_0_override_profile_image":"","_player_evaluations_0_override_profile_image":"override-player-profile-image","player_evaluations_0_not_in_database":"","_player_evaluations_0_not_in_database":"field_62aba48cecf2d","player_evaluations":1,"_player_evaluations":"field_62aba7547dc44"},"mode":"preview","alignText":"left","anchor":"acf-block-68879a93bcdd1"} --> <!-- wp:paragraph {"placeholder":"Add evaluation here...","className":"text-gray-700"} --> <p class="text-gray-700">Slack has been 1 of the top grassroots players for 2 straight summers now. He averaged over 25 points per game once again, this year serving as more of a point guard that served as the primary ball handler and initiator of the offense. Slack got the ball to it's spots than worked hard off the ball to get it back. He shot very well at the event, drawing a face guard in their final game.</p> <!-- /wp:paragraph --> <!-- /wp:acf/evaluation-block --> <!-- wp:acf/evaluation-block {"name":"acf/evaluation-block","data":{"player_evaluations_0_player":["2398991"],"_player_evaluations_0_player":"field_62ab9d62ecf2c","player_evaluations_0_override_profile_image":"","_player_evaluations_0_override_profile_image":"override-player-profile-image","player_evaluations_0_not_in_database":"","_player_evaluations_0_not_in_database":"field_62aba48cecf2d","player_evaluations":1,"_player_evaluations":"field_62aba7547dc44"},"mode":"preview","alignText":"left","anchor":"acf-block-68879a93bce43"} --> <!-- wp:paragraph {"placeholder":"Add evaluation here...","className":"text-gray-700"} --> <p class="text-gray-700">Jones is an electric guard. He can hit the open floor and make plays with his speed, beating the defense back. Jones also showed the ability to break down his defenders off the bounce as well as find open space and attack it with a jumper or dribble drive. He proved once again that when he gets hot, the scorers table will be busy.</p> <!-- /wp:paragraph --> <!-- /wp:acf/evaluation-block --> <!-- wp:acf/evaluation-block {"name":"acf/evaluation-block","data":{"player_evaluations_0_not_in_database":["not_in_db"],"_player_evaluations_0_not_in_database":"field_62aba48cecf2d","player_evaluations_0_player_details_selected_featured_image":"","_player_evaluations_0_player_details_selected_featured_image":"field_62cca28ffa4e7","player_evaluations_0_player_details_player_name":"Declan Grieser","_player_evaluations_0_player_details_player_name":"field_62aba4c9ecf2f","player_evaluations_0_player_details_graduating_class":"2026","_player_evaluations_0_player_details_graduating_class":"field_62aba4ddecf30","player_evaluations_0_player_details_height":"6'4u0022","_player_evaluations_0_player_details_height":"field_62aba4e8ecf31","player_evaluations_0_player_details_position":"77247","_player_evaluations_0_player_details_position":"field_62aba4f0ecf32","player_evaluations_0_player_details_school":"Bluffton","_player_evaluations_0_player_details_school":"field_62aba4fdecf33","player_evaluations_0_player_details_club_team":"[program_tooltip program_id='2383637' first='Summit' last='City Elite'] 2027 Black","_player_evaluations_0_player_details_club_team":"field_62d20e723441a","player_evaluations_0_player_details":"","_player_evaluations_0_player_details":"field_62aba4afecf2e","player_evaluations":1,"_player_evaluations":"field_62aba7547dc44"},"mode":"preview","alignText":"left","anchor":"acf-block-68879a93bceff"} --> <!-- wp:paragraph {"placeholder":"Add evaluation here...","className":"text-gray-700"} --> <p class="text-gray-700">To be perfectly honest, I don't know anything about Grieser. But I do know that I saw him giving a team fits. Not flashy, just plain old getting the job done. Grieser played much bigger than his listed height. He had a nose for the ball off the rim and if you didn't box him out early, he was finding the rebound. Offensively, Grieser could work back to the backet from the high post and utilized a right to left spin move and a layup finish.</p> <!-- /wp:paragraph --> <!-- /wp:acf/evaluation-block --> <!-- wp:acf/evaluation-block {"name":"acf/evaluation-block","data":{"player_evaluations_0_player":["2117935"],"_player_evaluations_0_player":"field_62ab9d62ecf2c","player_evaluations_0_override_profile_image":"","_player_evaluations_0_override_profile_image":"override-player-profile-image","player_evaluations_0_not_in_database":"","_player_evaluations_0_not_in_database":"field_62aba48cecf2d","player_evaluations":1,"_player_evaluations":"field_62aba7547dc44"},"mode":"preview","alignText":"left","anchor":"acf-block-68879a93bcf52"} --> <!-- wp:paragraph {"placeholder":"Add evaluation here...","className":"text-gray-700"} --> <p class="text-gray-700">Osborne didn't play with the flash of some others, even on his own team. But if you REALLY WATCH the game, he is and has been the key that starts the engine for his B3 team. Osborne can handle the ball, keeping turnovers to a minimum. He can score athletically as well as dish to teammates in the paint or cutting to the rim with over the top feeds.</p> <!-- /wp:paragraph --> <!-- /wp:acf/evaluation-block --> <!-- wp:acf/evaluation-block {"name":"acf/evaluation-block","data":{"player_evaluations_0_player":["2105376"],"_player_evaluations_0_player":"field_62ab9d62ecf2c","player_evaluations_0_override_profile_image":"","_player_evaluations_0_override_profile_image":"override-player-profile-image","player_evaluations_0_not_in_database":"","_player_evaluations_0_not_in_database":"field_62aba48cecf2d","player_evaluations":1,"_player_evaluations":"field_62aba7547dc44"},"mode":"preview","alignText":"left","anchor":"acf-block-68879a93bd013"} --> <!-- wp:paragraph {"placeholder":"Add evaluation here...","className":"text-gray-700"} --> <p class="text-gray-700">Stack is such an impressive prospect. He doesn't play like his listed height. Yeah, he's tall and he grabs a lot of boards and can protect the rim. But it was his feet and ball skills that impressed the most last weekend. Stack not only stepped outside, but he was looking for the ball when he did. He has some nice ball skills and soft feet for his size. I really like where this young man's game could go.</p> <!-- /wp:paragraph --> <!-- /wp:acf/evaluation-block -->

The GRBA National Championships featured a very nice collection of talent. There were top notch players and player performances scattered throughout the gyms. We're going to look at some players that flashed next level skill sets at the event.

Brendan Slack

Brendan Slack

HEIGHT 6'4"
POS PG/SG
CLASS 2026
View Player
​
Brendan
Slack PG/SG
Class
2026
Height
6'4"
HS
Ida S. Baker-Florida
|
FL
GRBA – Next Level Skill Sets
Slack has been 1 of the top grassroots players for 2 straight summers now. He averaged over 25...
Written by Scott Hankamp
Read more at PrepHoops.com
Prep Hoops

Brendan Slack

Instagram Twitter
State: Florida
School: Ida S. Baker-Florida
Club: Midwest Stampede
Subscribe below to view this player's evaluation

Highlights

Tyrese Jones

Tyrese Jones

IN
PG
HEIGHT 5'11"
POS PG
CLASS 2026
View Player
​
Tyrese
Jones PG
Class
2026
Height
5'11"
HS
South Bend Riley
|
IN
GRBA – Next Level Skill Sets
Jones is an electric guard. He can hit the open floor and make plays with his speed, beating...
Written by Scott Hankamp
Read more at PrepHoops.com
Prep Hoops

Tyrese Jones

State: Indiana
School: South Bend Riley
Subscribe below to view this player's evaluation

Highlights

Declan Grieser

Declan Grieser

HEIGHT 6'4"
POS SF
CLASS 2026

Declan Grieser

School: Bluffton
Club: Summit City Elite 2027 Black
Subscribe below to view this player's evaluation
Taj Osborne

Taj Osborne

MI
PG
HEIGHT 5'11"
POS PG
CLASS 2026
View Player
​
Taj
Osborne PG
Class
2026
Height
5'11"
HS
East Grand Rapids
|
MI
GRBA – Next Level Skill Sets
Osborne didn’t play with the flash of some others, even on his own team. But if you REALLY...
Written by Scott Hankamp
Read more at PrepHoops.com
Prep Hoops

Taj Osborne

Twitter
State: Michigan
School: East Grand Rapids
Subscribe below to view this player's evaluation

Highlights

Colin Stack

Colin Stack

IL
C
HEIGHT 7'0"
POS C
CLASS 2026
View Player
​
Colin
Stack C
Class
2026
Height
7'0"
HS
Benet
|
IL
GRBA – Next Level Skill Sets
Stack is such an impressive prospect. He doesn’t play like his listed height. Yeah, he’s tall and he...
Written by Scott Hankamp
Read more at PrepHoops.com
Prep Hoops

Colin Stack

State: Illinois
School: Benet
Club: Full Package
Subscribe below to view this player's evaluation

Highlights

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