Hollie Doyle has been picked by Team Scotland for the 2024 Racing League, with Oisin Murphy transferring to London and the South.
Meanwhile, Saffie Osbourne stays with Wales & The West while Rossa Ryan will don the green of Ireland for the fourth instalment of the competition.
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Ireland will also boast the services of Ben Curtis, while Callum Shephard will represent the East once again - who will be without the expertise of Frankie Dettori.
Brandon Wilkie and Clifford Lee will spearhead the Yorkshire attack, while Ali Rawlinson has swapped the colours of Yorkshire for the North.
Each side has selected seven jockeys, although there is no limit to additions as the season progresses.
The competition, now in its fourth year, sees 42 races take place across six meetings, beginning in Yarmouth, before heading to Wolverhampton, Chepstow, Windsor, Newcastle and Southwell.
With over £2m in prize money up for grabs, every point matters, with scoring available from 1st down to 10th and bonus prize money for the leading jockey and winning team.
Last year, Kevin Blake's Ireland snatched the title with three victories on a dramatic final night at Southwell, denying previous winners Wales & The West.
Saffie Osborne took the top jockey title for the second year in a row, dominating from the off, including an opening week treble at Yarmouth.
Watch all the action from the Racing League live on Sky Sports Racing from July 25.