One of which was deadline day signing Di’Shon Bernard, who joined on loan for the remainder of the campaign from Manchester United.
And the centre-back, who had been tipped to make a return to the Championship last month after spending the 2021-22 campaign with Hull, has become one of the most expensive players in the league.
But how many of Pompey's stars are the most valuable in League One?
We’ve taken a look at Transfermarkt to see who they believe the top 20 most expensive players in the third tier are.
Here’s what we discovered.
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