Bolton Wanderers take on Sheffield United in the Sky Bet Championship at Bramall Lane on Saturday afternoon.
And with that in mind, bwfc.co.uk take a look back at the names who have played for both sides.
Alex Baptiste
The right-back joined Bolton in May 2013 on a free transfer and scored his first goal that same month in a 4-1 defeat at Blackburn Rovers.
He eventually moved on to Middlesbrough in 2015, before joining Sheffield United on loan the next year.
Gary Cahill
The now Chelsea captain spent four years at Bolton Wanderers, gaining his first England cap whilst at the club.
He previously joined Sheffield United on a season-long loan from Aston Villa in the 2007/08 season, featuring in 16 league games.
Harold Gough
Gough spent 10 years at Bramall Lane between 1913 and 1924, making 242 league appearances.
He joined Bolton in 1927 for a brief spell, featuring in four league games for the club.
Garry Jones
Jones scored 55 goals in 236 games for Bolton Wanderers, spending a decade at the club. He was loaned to Sheffield United in 1975.
Vince Matthews
Starting his career at Bolton in 1925, Matthews only played three times before joining Tranmere.
He then joined Sheffield United in 1927, earning two England caps whilst at the Blades, along with 125 league appearances.
Martin Pike
Pike survived Dave Bassett’s exodus at Sheffield United and played in 129 league games. The left-back was then sent on loan to Bolton in 1989.
Andy Walker
Walker established a formidable strike partnership with John McGinlay with Wanderers during his time there and joined Sheffield United for a spell in 1996.
Malcolm Barrass
Barrass played for Bolton in the 1953 FA Cup Final loss to Blackpool, famously known as the “Matthews Final”.
He earned his first of three England caps whilst at Bolton in 1951, before he joined Sheffield United in 1956 and spent two years there.
Andy Campbell
Campbell joined Sheffield United for two seasons on loan from Middlesbrough between 1998 and 1999, before then spending a loan spell at the University of Bolton Stadium with Bolton in 2001.
Bob Hatton
The centre-forward joined Bolton in 1967, making 24 league appearances, scoring twice.
He enjoyed a much more successful spell at Sheffield United however, scoring 34 goals in 95 league games before moving on to Cardiff City in 1982.
Andy Kennedy
Loaned from Birmingham to Sheffield United in 1987, Kennedy scored once in nine league games.
He was loaned to Bolton by Watford later in his career, but only made one appearance in 1991.
Paddy McCarthy
McCarthy signed for Wanderers on loan in 2015 from Crystal Palace having been sent on loan to Sheffield United by the Eagles the previous year.
Terry Poole
Poole joined Bolton in 1977, playing in 29 league games. He was loaned to Sheffield United in 1979 before retiring in 1981.
Mike Whitlow
Joined Bolton in 1997 for £500,000 from Leicester City, Whitlow returned from injury in the 2000/01 season just in time to help Wanderers gain Premier League promotion.
He left for Sheffield United in 2003, spending one season at Bramall Lane.
Chris Basham
Basham made 19 league appearances for Bolton, starting his career at the University of Bolton Stadium.
He then joined Sheffield United from Blackpool in 2014 and still plays there to this day, currently boasting almost 200 league appearances for the Blades.
Franz Carr
Carr played for Sheffield United for one season between 1993 and 1994, eventually spending time at Bolton on loan from Italian club Reggiana in the 1997/98 season.
Charlie Henderson
The inside forward had a successful spell at Bolton Wanderers in the 1894/95 season, scoring 14 goals in 28 league appearances.
He eventually joined Sheffield United in 1896, scoring four goals in 14 games at Bramall Lane before joining New Brighton Tower the next season.
Glen Little
The current Wingate & Finchley manager joined Bolton on a short loan in 2003.
He played for Sheffield United in the 2009/10 season, before spells at Aldershot Town and Wrexham.
Mark Patterson
As part of his 20-year career, Patterson joined Bolton in 1991, spending four years at the University of Bolton Stadium and making 169 league appearances.
He left for Sheffield United in 1995, enjoying two years there.
Billy Russell
Between 1957 and 1963, Russell played 144 league games for Sheffield United, scoring 55 goals.
He joined Bolton straight from Sheffield United, spending three years there before leaving for Rochdale in 1966.
Gary Madine
Madine played in 107 league games for Bolton, scoring 26 times during his stay at the University of Bolton Stadium.
He left for Cardiff City in January 2018 and was loaned to Sheffield United in early January 2019.
Nathan Blake
Having joined Sheffield United in February 1994, Blake was unable to prevent the Blades from suffering relegation from the top flight.
The forward joined the Whites in December 1995 meanwhile and scored 19 goals for Bolton in the 1996/97 season, sending Wanderers back to the Premier League.
He then got 12 goals in England’s highest division, his best ever Premier League tally.
Aidan Davison
In 1993, Davison followed Bruce Rioch to Bolton and spent four years there.
He joined Sheffield United in 1999 meanwhile, staying for one season.
David Holdsworth
Holdsworth joined Sheffield United in 1996 and helped guide the Blades to the 1997 First Division Play-off Final, in which they were defeated by Crystal Palace.
Moving to Bolton in 2002, he only made two appearances for the Wanderers.
Tony Philliskirk
Philliskirk started his career at Sheffield United in 1983, spending five years there and making 80 league appearances.
He joined Bolton in 1989, making 141 league appearances, forming a strike partnership with David Reeves. He left Bolton for Peterborough United in 1992.
Gary Speed
Not many players are remembered so fondly at every club they’ve played at, but the late Gary Speed was.
He joined Bolton in 2004, making 121 league appearances before moving to Sheffield United on New Year’s Day 2008 and making his debut on the day of his arrival.
Speed retired there in 2010, aged 41, before going on to revolutionise Welsh football as their country's manager that same year.
Paddy Kenny
Making 278 league appearances for Sheffield United combining his loan spell and his permanent stay at Bramall Lane, Kenny was a favourite of then manager, Neil Warnock, who signed him at numerous clubs.
He joined Bolton for the 2014/15, without featuring in a single league game however during his spell.