Leigh Griffiths was pleased to score on his 100th league appearance for Celtic as they eased to a 2-0 win against derby rivals Rangers at Ibrox.
Brendan Rodgers' Celtic once again underlined their Old Firm superiority as they claimed a 2-0 Premiership win over Rangers at Ibrox.
Morelos has scored eight goals since his summer arrival from HJK Helsinki, but there have been signs that the 21-year-old can be easily riled.
The returning Moussa Dembele scored his first goal of the season as Celtic reaffirmed their dominance with a crushing 4-0 win over Ross County.
Rangers missed the chance to draw level with Premiership pacesetters Celtic and Aberdeen as they were held to a 2-2 draw by 10-man Partick Thistle.
Former Arsenal, Liverpool and Manchester City defender Kolo Toure has announced his retirement from football and taken up a coaching role at Celtic.
Alfredo Morelos continued his Rangers hot streak as his double helped Pedro Caixinha's men record a 4-1 drubbing of Dundee at Ibrox.
Scintillating Celtic moved top of the Ladbrokes Premiership with a 4-1 dismantling of Hamilton at the SuperSeal stadium.
Tottenham and Everton are tracking Celtic defender Anthony Ralston, sources have told ESPN FC.