PARTICK Thistle inflicted a 4:1 victory over Morton at Cappielow.
Morton went ahead in the 15th miniute from a Robbie Muirhead free kick, but Thistle equalised in the 39th minute.
Former Morton player Brian Graham scored twice in two minutes just over halfway through the second half to give the visitors a comfortable lead.
Thistle went down to 10 men in the 77th minute but Morton couldn’t take advantage, instead conceding in the 84th minute.
It was the second home defeat in a row for Morton who are now eighth in the Championship.
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