Morelos was at the centre of controversy during Rangers win over Celtic.
Dermot Gallagher will have worried Rangers fans when talking to Sky Sports as he believes Alfredo Morelos should have been sent off for an incident involving Celtic's Anthony Ralston.
The 22-year-old striker was crucial in Rangers' 1-0 win over Celtic on Saturday afternoon at Ibrox, which saw Ryan Jack score the only goal of the game to see Rangers beat the Hoops for the first time in six years.
But Colombia international Morelos was once again the centre of controversy as replays showed him lashing out on three separate occasions - including a kick on Scott Brown, a flick of the hand on Ryan Christie, and a stamp on Ralston.
It is the latter that former Premier League referee Gallagher believes Morelos should have seen red for, but referee John Beaton decided not to offer any punishment in the direction of the Rangers striker.
"I watched the whole game, and the first incident [Brown] looks worse than it is to be honest," Gallagher said. "It's born out of frustration, he's just let him know he's there. The Christie one is the same, it's just petulance.
"It's not like he's punched someone violently. But the Ralston one I can't understand. I don't think he has any need to come down with his right foot."
Gallagher's comments will worry Rangers fans as Sky Sports reported that Scottish FA compliance officer Clare Whyte wil be reviewing Morelos' actions. Rangers will learn of the SFA's decision on Thursday.
The win over Celtic sees Rangers climb to 42 points, level with Celtic though the Hoops have a game in hand going into the winter break. A loss would have seen Celtic go six clear.
Both sides are back in action on January 19 in the fourth round of the Scottish Cup, with Rangers taking on Cowdenbeath and Celtic facing Airdrieonians.
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