Some elder statesmen of the squad were allowed to depart, while the work of the club's scouting department came to fruition as they also invested in some of Europe's finest young talent.
Keeping Ben White away from the Leeds United and a shrewd free transfer from Liverpool were also highlights of the window for Albion. Scroll down and click through to see their transfer activity.
25. Tom McGill
The 20-year-old goalkeeper from Canada is another young, talented player from Brighton to head for the bright lights of Crawley and gain some first team experience. "He is a very promising young goalkeeper and will be a great addition to our squad," said Crawley boss John Yems after securing him on a season long loan
26. David Button
Joined newly-promoted West Brom for an undisclosed fee, reported to be 1m. Struggled to make an impact at Brighton due the consistency of Maty Ryan and will now hope to get his chance in the top flight with WBA.
27. Dale Stephens
Stephens, Duffy and Murray were three huge figures for Albion and when Stephens departed for Burnley for 1m on a two-year deal, it felt like an end of an era for Albion. Once again though, a good move for all parties
28. Viktor Gyokeres
Secured a year loan deal to Graham Potter's former club Swansea. The Sweden international striker featured in Albion's three Carabao Cup matches, scoring once against Pompey. A season in the Championship will be a good test for the striker