The Ibrox boss guided his side to five league wins in December.
Christie appeared to grab the Colombian’s testicles during the second-half of his side’s 2-1 defeat at Celtic Park on Sunday, December 29.
The former Ibrox player was caught on camera making a w****r gesture.
Managing director Stewart Robertson says the club "suffered from errors of judgement".
The Croatian defender says his team played without fear at the home of their rivals.
The Rangers boss says his side's 2-1 win at Celtic Park is his best in management.
A glass vodka bottle was thrown on to the pitch during Friday's game against Rangers.
While Barisic was floored, a glass bottle was among a series of objects hurled at the defender.
The Swedish centre-back will miss the league clash with Celtic.
The Ibrox forward is delighted with his side's Europa League round of 32 draw.
Steven Gerrard's side will travel to Portugal in February for the last 32 tie.
The Rangers boss said he was ready to sub Alfredo Morelos before he was sent off.
The veteran goalkeeper has extended his stay at Ibrox until 2021.
The Rangers boss says his team qualified when many had written off their chances.
After signing contract extensions at Ibrox, the coaching team are working to earn silverware.
As previously revealed by STV News, Gerrard has signed an extension at Ibrox until 2024.
The trio are all poised to sign new deals and remain with Steven Gerrard's side.
Gerrard says his players gave him everything despite their League Cup final defeat.
Christopher Jullien's goal separated the sides after a dramatic match at Hampden.
The Rangers boss says he has several injury concerns ahead of the League Cup final.