That means Pompey know the squad they have for the rest of the campaign after registering their 22 players aged over 21 with the EFL.
So, after signing four players in Charlie Daniels, George Byers, Harvey White and Lewis Ward, what is Kenny Jackett’s best side?
We've put together what we see as his best starting XI plus seven subs at present.
That's sure to spark plenty of debate, so please feel free to let us know what your views and what changes – if any – you'd want to make.
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1. Craig MacGillivray
Undisputed first choice and has justified his position since usurping Alex Bass early on in the campaign Photo: Jason Brown
2. Callum Johnson
Mr Reliable since arriving from Accrington and made the right-back position his own. Photo: Joe Pepler
3. Charlie Daniels
Comes with experience, Premier League nous and high hopes Photo: Joe Pepler
4. Jack Whatmough
Seeing Whatmough get 24 appearances under his belt has been one of the highlights of the season to date. Photo: Jason Brown