The majority of the penalty controversy came at Tynecastle, but Kemar Roofe has been left wondering he didn't get one at Ibrox on Saturday.Rangers went down 2-1 at home to Motherwell as Philippe Clement lost his first home match since taking charge of the Light Blues.
But Celtic couldn't take advantage, as the ten-men lost 2-0 to Hearts on Sunday in a game that saw too universally accepted 'soft' penalties awarded and a hot disputed sending off.
Celtic have appealed the red card shown to Yang, but Brendan Rodgers could be in trouble for questioning John Beaton's competence.Roofe has been more subtle in his approach.
The Gers hitman was introduced to try and salvage a point for the league leaders after Dan Casey had headed the Steelmen in front.
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