Mark McGuinness

Mark McGuinness contract and transfer fees

Mark McGuinness's contract with Sheffield United runs until 30 June 2029 (31 months left). The final six months open on 1 January 2029, when FIFA rules let him agree a pre-contract with a club outside England.

Mark McGuinness has moved for €14m in disclosed transfer fees since 2015 (2 paid transfers). The biggest: €12m, Cardiff City to Luton Town, Aug 2024.

Mark McGuinness transfer history and what each club made

• Arsenal U21 · sold to Cardiff City for €2m (Jul 2021)
• Cardiff City · signed from Arsenal U21 for €2m (Jul 2021) · sold to Luton Town for €12m (Aug 2024) · profit for Cardiff City €9m
• Luton Town · signed from Cardiff City for €12m (Aug 2024) · sold to Sheffield United for an undisclosed fee (Sep 2025)
• Sheffield United · signed from Luton Town for an undisclosed fee (Sep 2025) · current club

Mark McGuinness injury record and availability

Mark McGuinness has no injury or suspension on record as of 10 Nov 2026.

In the 2026/27 league season Mark McGuinness has played 730 of a possible 1,350 minutes (54%): 7 starts and 11 appearances in 15 games, average rating 6.75.

Since 2022, Mark McGuinness has had 3 injury spells: 105 days out and 22 games missed. Longest: injury (type not disclosed), 81 days (Feb 2024).

• 2026/27: no injury recorded
• 2025/26: 1 spell, 3 days out, 1 game missed
• 2024/25: no injury recorded

Sheffield United injury list

Mark McGuinness international career: Republic of Ireland caps

Mark McGuinness has 2 senior caps for Republic of Ireland and 0 international goals.

Last 12 months: 1 cap, 1 start, 46 minutes in 1 matchday squad. Last in the squad on 16 May 2026.

Mark McGuinness: club-trained at Arsenal

Mark McGuinness is club-trained at Arsenal: our record shows him registered there for three entire seasons or 36 months between the ages of 15 and 21.

• Arsenal

We count a player as club-trained when his record shows him registered with the club for three entire seasons or 36 months between the ages of 15 and 21 (UEFA's home-grown test), wherever he started and whatever he cost; time on loan counts for the club that borrowed him.