Rangers manager Steven Gerrard has been handed a one-match touchline ban after accepting a charge of misconduct following Sunday's 2-1 defeat.
United States forward Tim Weah scored in his first start in two months, helping Celtic win 2-0 at St. Mirren in the Scottish Premier League.
Morelos was shown a red card for elbowing Celtic captain Scott Brown in an off-the-ball incident with just half an hour gone at Celtic Park.
Celtic grabbed a late winner as they beat 10-man Rangers 2-1 in the Old Firm Derby to go 13 points clear at the top of the Scottish Premiership.
Hibs said the 33-year-old from Arlington Heights, Illinois, has agreed to a contract through the rest of the season.
Rangers captain James Tavernier was confronted by a fan who was subsequently arrested in an incident during the team's draw with Hibernian.
Scotland Police are investigating a break-in at former Celtic manager Brendan Rodgers' home in Glasgow.
Brendan Rodgers' decision to leave Celtic for Leicester was met with mixed emotions by many. Ex-striker Moussa Dembele was a lot more blunt.
Brendan Rodgers has been appointed Leicester City manager following the sacking of Claude Puel.
Steven Gerrard said after Rangers were awarded four penalties in Saturday's 4-0 win over St Mirren that his team should have had five spot kicks.
American defenders Andrew Gutman and Manny Perez have signed deals with Celtic, and will be loaned back to U.S. clubs.
Socceroos coach Graham Arnold has belatedly knocked back speculation suggesting he was interested in leaving the national team to coach in Scotland.
United States defender Matt Polster has joined Scottish club Rangers from the Chicago Fire.
Australia boss Graham Arnold is interested in succeeding Neil Lennon as manager of Scottish Premiership side Hibernian, a source has told ESPN.
Celtic's Timothy Weah says he had initial fears about the toughness of football in the U.K. but says he is settling well at the club.
U.S. forward Tim Weah made it two goals in his first two games for Celtic as the youngster scored in the Scottish club's 4-0 win over St. Mirren.
Timothy Weah has struggled for minutes this season since the arrival of Eric Maxim Choupo-Moting as backup to Edinson Cavani.
Bournemouth's Jermain Defoe has completed an 18-month loan move to Rangers in a move that reunites him with former England teammate Steven Gerrard.
Rangers beat Celtic 1-0 to move level on points with their Old Firm rivals at the top of the Scottish Premiership.
Socceroos coach Graham Arnold says Tom Rogic has put his disappointment at missing Celtic's Old Firm derby clash with Rangers behind him.
United States phenom Timothy Weah will leave Paris Saint-Germain to spend the next six months on loan, the 18-year-old announced on Christmas Day.