Rangers knew the January transfer window was crucial if they were to have any chance in this title race.

In truth, it is a fight they didn't expect to find themselves in after Russell Martin's disastrous 123-day reign.

However, 12 wins in 16 league games under Danny Röhl has catapulted the club back into a three-way battle alongside Hearts and Celtic.

Image: Rangers have the most points of any club in the Scottish Premiership since Danny Röhl was appointed

Here's a look inside how the window unfolded for the Ibrox side…

Who were the key figures involved?

Image: Chairman Andrew Cavenagh (L) and Paraag Marathe (R) signed off on four January signings, adding to a big summer spend last year

With results on the up, the next hurdle to stay in the hunt was to improve the squad in the January window. The significance of that was clear to those running the show at Ibrox.

After sacking CEO Patrick Stewart and sporting director Kevin Thelwell in November - who was leading the search and negotiations?

Well, that responsibility fell upon chairman...