The midfielder started his career with Hamilton Academicals before spells with Millwall, Raith Rovers, Hibernian and St Johnstone.

BBC: Bristol City wrap up Hartley deal

Hartley, who started his career with Hamilton and also had spells with Millwall, Raith Rovers, Hibernian and St Johnstone, had been with Celtic since 2007.

BBC: Hartley and Dutchman leave Celtic

Sutton, who began his career with Tottenham before heading for Raith Rovers and Millwall, joined the Buddies from Dundee in 2005.

BBC: SPORT | Football | My Club | St Mirren | Buddies give up on striker Sutton

The two other quarterfinals will be played on Sunday and see Manchester United take on Chelsea at Old Trafford while Championship sides' Blackburn Rovers and Millwall square up at the Den.

CNN: Bayern stretch lead to 20 points as Dortmund falter

Rovers gave themselves a fighting chance of survival by beating promotion hopefuls Millwall 2-0 at Prenton Park last Saturday.

BBC: Ian Thomas-Moore

The Sunderland striker commenced a one-month loan deal to Doncaster Rovers last week and scored on his debut in a 2-1 win over Millwall on Saturday.

BBC: Warren Feeney and Gareth McAuley add to NI injury woe