Irish international Shane Duffy has joined Brighton on a four-year deal.
Chris Hughton has signed the 24-year-old centre-half from Championship rivals Blackburn for a reported £4.5million.
Brighton sign Shane Duffy from Blackburn—his season so far:
3 own goals
1 red card
1 transfer pic.twitter.com/jQdkViQGzg— B/R Football (@brfootball) August 26, 2016
Blackburn have already replaced Duffy by signing Irish under-21 international Tommie Hoban on-loan from Watford.
Meanwhile, Aston Villa have allowed Irish Under-21 international Kevin Toner to join League One side Walsall on loan until January.
The Meath native is highly-rated at Villa Park and was widely tipped to break into their first-team squad this season.