Club gave Sarmiento a long extended contract as soon as he broke into the Premier League team (in January til 2026). Its what they do. BBB is not at that stage - has to prove himself in the u23s first. He's only 18. Sure he will be a regular for them this season but too early to say.
He's only 18 yet looked like one of our most brightest u23s when i saw him several times last season - but he only played a few times in due to injuries, players ahead of him and because he was in the u18s team at first.
He'll get a longer contract, i imagine, if the club think he has...