Motherwell 1-4 Celtic: Scott McDonald looks relaxed ahead of his team's visit to Fir Park to face Motherwell in the SPL

Celtic first-team coach Neil Lennon and manager Gordon Strachan assess the patchy playing surface at Motherwell

Celtic striker Scott McDonald gives Motherwell's Mark Reynolds the slip in the must-win match for the visitors

Celtic skipper Stephen McManus gives Celtic a disputed 1-0 lead against Motherwell, apparently with the use of his upper arm

Motherwell goalkeeper Graeme Smith voices his displeasure at referee Alan Freeland's decision to allow Stephen McManus' goal to stand

In a fine break, Motherwell's Ross McCormack directs a shot across goal that Stephen McManus directs into his own net to make it 1-1

Scott McDonald puts Celtic 2-1 ahead with a well-struck volley on the half-hour mark

As half-time approaches, Jan Vennegoor of Hesselink heads home Celtic's third to give his team a 3-1 lead

Motherwell boss Mark McGhee is a pensive figure on the touchline as his team struggle to cope with Celtic's goalscoring prowess

Partick Thistle 0-2 Rangers: Ibrox coach Ally McCoist (centre) strolls around the pitch at Firhill with Kris Boyd (left) and Barry Ferguson

Steven Smith, out for 16 months with a groin injury, returns to the Rangers team and battles with Thistle's Mark Roberts

Partick Thistle manager Ian McCall has plenty to think about as he tries to mastermind a Scottish Cup quarter-final win over Rangers

Nacho Novo nips in to score the opener, much to the delight of his Rangers striking partner Kris Boyd

Rangers winger Chris Burke gets on the end of a Novo cross to score a rare headed goal to make it 2-0

Chris Burke watches closely as his looping header beats Jonathan Tuffey in the Thistle goal

Chris Burke smiles broadly, having scored Rangers' second goal and helped to set up a semi-final tie with St Johnstone

Thistle's Simon Donnelly misses a penalty early in the second half, after David Weir had fouled Mark Roberts