We look at 11 players who played for Leeds and Wolves.
The goalkeeper rejoined Leeds for a second time last summer from Wolves after spending the 2016/17 season at Molineux. Lonergan has also had stints at clubs including Preston North End, Bolton Wanderers and Fulham.
Now assistant head coach of the Whites, the former Tottenham Hotspur and Ipswich Town defender had a loan at Leeds from Wolves in 2007, helping the Whites clear a 15-point deduction in just five games.
Signed by Mick McCarthy at Sunderland, the pair re-united at Wolves. A move to Preston North End followed before joining Leeds. He is now playing in the USA for the Tampa Bay Rowdies.
Butler joined Wolves from Sunderland, initially on loan in 2000, before the deal was made permanent. Following the relegation of Wolves and Leeds from the Premier League, he moved to Elland Road in the summer of 2004.
The full-back started out at Leeds, before moving to Oldham Athletic in 1986. He spent 12 years with our rivals across the Pennines, before moving to Wolves in 2002 where he had a two year stint.
The midfielder started out at Millwall before moving to Wolves in 1994. Ten years later, after spells at Crewe Alexandra and Ipswich Town, Wright joined Leeds United, before spells at Millwall, Southampton and Blackpool.
Johnson was signed by Wolves from Blackburn Rovers and had a short loan spell with United in 2007. Moves to MK Dons and Southend United followed and now 32, he is applying his trade in America.
The striker spent the 1997/98 season with Wolves, before moving to Nottingham Forest. He then moved south to Crystal Palace where he spent the majority of his career and had a successful loan at Leeds in 2007.