teams_[teamId]_page.tsx

// Return a list of `params` to populate the [slug] dynamic segment
export async function generateStaticParams() {
  return ['team1', 'team2'].map((team) => ({
    teamId: team,
  }))
}

type Props = {
  params: {
    teamId: string
  }
}

export default async function TeamsPage({ params: { teamId } } : Props) {
  const players = await fetch('api.....');

  return (
    <>Your Code</>
  )
}