Livingston fought from two goals down to salvage a point in a 2-2 draw at home to Queen of the South.
Scott McLaughlin put the visitors in front after 19 minutes, meeting Kevin Smith's cross to head home from close range.
Tom Brighton made it two in the 32nd minute, diverting Smith's header into the back of the net.
David Sinclair halved the deficit after 56 minutes, driving home from 25 yards.
Queen of the South looked set for victory until McGuffie fouled Jason Talbot inside the box six minutes from time.
Craig Reid was sent off for foul and abusive language and striker Iain Russell then stepped up to power the ball home and rescue a point for his side.
Queens Mad Man of the Match - Danny Carmichael - Toyed with the Livi defence at times.
Source: DSG