Glasgow
Glasgow ( ; sco, Glesca or ; gd, Glaschu ) is the most populous city in Scotland and the fourth-most populous city in the United Kingdom, as well as being the 27th largest city by population in Europe. In 2020, it had an estimated popul ...
, Scotland) is a professional
footballer
A football player or footballer is a sportsperson who plays one of the different types of football. The main types of football are association football, American football, Canadian football, Australian rules football, Gaelic football, rugby le ...
, who plays as a
right-back
In the sport of association football, a defender is an outfield position whose primary role is to stop attacks during the game and prevent the opposition from scoring.
Centre-backs are usually positioned in pairs, with one full-back on either s ...
for
Pollok
Pollok ( gd, Pollag, lit=a pool, sco, Powk) is a large housing estate on the south-western side of the city of Glasgow, Scotland. The estate was built either side of World War II to house families from the overcrowded inner city. Housing 30,0 ...
. Mullen has previously played for both
Edinburgh derby
The Edinburgh derby is an informal title given to any football match played between Scottish clubs Heart of Midlothian (Hearts) and Hibernian (Hibs), the two oldest professional clubs based in Edinburgh, Scotland. The two clubs have a fierce r ...
Raith Rovers
Raith Rovers Football Club is a Scottish professional football club based in the town of Kirkcaldy, Fife. The club was founded in 1883 and currently competes in the Scottish Championship as a member of the Scottish Professional Football Leag ...
Mullen joined the Heart of Midlothian youth academy aged 12. He progressed to the under-19 squad and was promoted to the first team on 10 December 2011, when he was an unused substitute in the match against
Celtic
Celtic, Celtics or Keltic may refer to:
Language and ethnicity
*pertaining to Celts, a collection of Indo-European peoples in Europe and Anatolia
**Celts (modern)
*Celtic languages
**Proto-Celtic language
* Celtic music
*Celtic nations
Sports Fo ...
. Mullen made his first team debut on 7 January 2012, in a
Scottish Cup
The Scottish Football Association Challenge Cup,Auchinleck Talbot
Auchinleck Talbot Football Club is a Scottish football club based in Auchinleck, East Ayrshire. They currently play in the .
The club is also a member of the Scottish Junior Football Association, and have won the Scottish Junior Cup on a reco ...
; he took a
penalty kick
A penalty shot or penalty kick is a play used in several sports whereby a goal is attempted during untimed play. Depending on the sport, when a player commits certain types of penalties, the opposition is awarded a penalty shot or kick attempt. ...
that was saved by the Auchinleck goalkeeper in the first half. Hearts manager Paulo Sergio described Mullen as his man of the match. His next appearance came the following season on 26 January 2013, playing from the start in a 2012–13 Scottish League Cup semi-final win against
Inverness Caledonian Thistle
Inverness Caledonian Thistle Football Club, commonly known as Caley Thistle, is a professional football club based in Inverness, Scotland. The team currently competes in the Scottish Championship, the second tier of the Scottish Professional F ...
. His season was ended prematurely as he suffered a fractured foot during an
Edinburgh derby
The Edinburgh derby is an informal title given to any football match played between Scottish clubs Heart of Midlothian (Hearts) and Hibernian (Hibs), the two oldest professional clubs based in Edinburgh, Scotland. The two clubs have a fierce r ...
on 10 March, ruling him out of the 2013 Scottish League Cup Final. Mullen left the club at the end of the season after he was advised that he would not be offered a new contract.
Hibernian
Mullen signed a one-year contract with Hibernian, the
Edinburgh derby
The Edinburgh derby is an informal title given to any football match played between Scottish clubs Heart of Midlothian (Hearts) and Hibernian (Hibs), the two oldest professional clubs based in Edinburgh, Scotland. The two clubs have a fierce r ...
rivals of Hearts, in June 2013. He then went on to score a free kick in his first game, a friendly against
Gibraltar
)
, anthem = " God Save the King"
, song = " Gibraltar Anthem"
, image_map = Gibraltar location in Europe.svg
, map_alt = Location of Gibraltar in Europe
, map_caption = United Kingdom shown in pale green
, mapsize =
, image_map2 = Gib ...
. Mullen failed to hold down a regular place in the Hibs first team, making just four appearances, with the last coming on 17 August and was allowed to leave the club in January 2014.
Raith Rovers
On 10 January 2014, Mullen signed a contract with
Scottish Championship
The Scottish Championship, known as the cinch Championship for sponsorship reasons, is the second tier of the Scottish Professional Football League, the league competition for men's professional football clubs in Scotland
Scotland (, ...
side
Raith Rovers
Raith Rovers Football Club is a Scottish professional football club based in the town of Kirkcaldy, Fife. The club was founded in 1883 and currently competes in the Scottish Championship as a member of the Scottish Professional Football Leag ...
until the end of the 2013–14 season. He made his debut the following day, playing from the start in a 0–0 draw against
Greenock Morton
Greenock Morton Football Club is a Scottish professional football club, which plays in the Scottish Championship. The club was founded as Morton Football Club in 1874, making it one of the oldest senior Scottish clubs. Morton was renamed Greeno ...
at
Cappielow
Cappielow, also known as Cappielow Park supported by Dalrada Technology UK for sponsorship reasons, is a football stadium in Greenock, Inverclyde, Scotland. It is the home ground of Scottish Professional Football League club Greenock Morton, w ...
.
East Fife
Mullen signed a one-year contract with East Fife in June 2014. He won League Two with them in 2015/16.
Cowdenbeath
Mullen signed for Cowdenbeath in 2016. He spent six seasons with the Blue Brazil, making over 200 appearances for them before leaving at the end of the 2021/22 season following their relegation to the Lowland League .
West of Scotland Football League
The West of Scotland Football League (WoSFL) is a senior football league based in the west of Scotland. The league sits at levels 6–10 on the Scottish football league system, acting as a feeder to the Lowland Football League.
Founded in 202 ...
in June 2022. He made his competitive debut in the first match of the West of Scotland Premier Division season - a 3-1 win away to Petershill. He was then named man of the match on his home debut the following week in a 0-0 draw with Largs Thistle.
Scottish Challenge Cup
The Scottish Professional Football League Challenge Cup,2013–14
East Fife
*
Scottish League Two
The Scottish League Two, known as cinch League Two for sponsorship reasons, is the fourth tier of the Scottish Professional Football League, the league competition for men's professional football clubs in Scotland. The Scottish League Two was ...