In total, there were 25 arrivals at clubs across the third tier excluding the Blues’ final bit of business.
Pompey head coach Danny Cowley managed to capture Millwall defender Mahlon Romeo on a season-long loan deal in what was his only deadline day incoming.
But across League One it proved to be a frantic final few hours, with more than 20 arrivals at Pompey’s rivals.
Here’s a list of all the signings made by the Blues’ third tier competitors on deadline day.
1. Bersant Celina
Kosovan international became Paul Cook's 18th Ipswich summer signing, completing a deadline day season-long loan move from French side Dijon
Photo: Michael Steele
2. Harry Arter
Republic of Ireland international moved to Charlton on a season-long loan from Nottingham Forest
Photo: Naomi Baker
3. Saido Berahino
Former West Brom ace sealed a return to England by switching from Belgium side Zulte Waregem to Sheffield Wednesday
Photo: Nathan Stirk
4. Ben Davis
Midfielder left Fulham to sign a two-year deal at Oxford United
Photo: Pete Norton