If you told Andreas Christensen at the start of this year that he would go on to lead Chelsea to a Champions League title and be a Euro 2020 semi-finalist, not even he would have believed you.
When the New Year bells rang, Christensen had played just five Premier League matches for Frank Lampard's Blues in 2020-21. Any indication that the 25-year-old was going to have a year to remember was a long way away.
But the arrival of Thomas Tuchel at Stamford Bridge has been the biggest turning point in his career to date.