Deila departs after the last game against Motherwell next Sunday with his second successive title success although in many ways the game encapsulated the fragility of Celtic during his tenure.
Juventus, who clinched their fourth successive title two weeks ago, have 83 points from 36 games.
Juventus, chasing a seventh successive title, still face difficult matches away to Internazionale and Roma.
Can Warwickshire, as champions, win a third successive title with a third overseas professional?
Two years ago, England were preparing to defend their seventh successive title, but they have not won it since.
Celtic are nine points ahead of Aberdeen with four games remaining in the season and could win their fifth successive title this weekend.
Lanning's composed performance settled the contest at the Feroze Shah Kotla ground in Delhi, and took her side closer to a fourth successive title.
However, they were out of contention in the league, their recent 1-0 loss at home to United ending any remaining chance of a fourth successive title.
At home, PSG find life utterly uncompetitive to the tune of 35 unbeaten league matches and a fourth successive title sure to be secured before March is out.
"We've been waiting for this day 30 years," says midfielder Behar Maliqi, an influential cog in Feronikeli's two successive title wins.
Mercedes, the dominant team in the sport, have sealed consecutive championships, with Hamilton beating Rosberg to claim his successive title at the United States Grand Prix in October.
