Brave Enzo Maresca decision over 'angry' Chelsea player vindicated as £70m transfer laid bare

William Gallas believes Chelsea were right in their decision to offload an "angry" Nicolas Jackson on transfer deadline day.

The Blues initially agreed for Jackson to move to Bayern Munich on a season-long loan deal with an option to buy the 24-year-old striker. Bayern were set to pay £12.9million as a loan fee, with an option to buy the Senegal international for £56.2million. However, things changed drastically.

Liam Delap limped off with a hamstring injury in the win against Fulham, which will keep him out of action for several weeks, and Chelsea decided to call Bayern to inform the German champions that they were pulling the plug on the deal. Jackson and his entourage, who were frustrated with Chelsea's decision, remained in Munich in the hopes of salvaging a deal, with the striker desperate to complete a move to the Allianz Arena.

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Marc Guiu was then recalled from his loan at Sunderland after just 26 days spent at the Stadium of Light, paving the way for Jackson to leave. Bayern then agreed a fresh deal with Chelsea, this time with an obligation to buy the striker for £56.2million and a new loan fee of £14.2million - bringing the package to £70million.

With Delap and Joao Pedro arriving in the summer transfer window, Chelsea added to their attacking arsenal, leaving Jackson in a precarious position at Stamford Bridge. That is why Gallas believes his former club made the right decision to allow Jackson to leave this summer - while the Frenchman also understands the new Bayern striker's anger at the situation.

"Delap gets injured, and they [Chelsea] want Jackson back, telling him to return to London," Gallas said. "Understandably, Jackson doesn't want that, and you can see why he's angry, because Chelsea didn't really want him anymore. With his personality, he didn't feel he could come back to Chelsea, it is a huge mess.

"If you have a player who is really unhappy and unsettled, it can be really difficult to manage him. If you forced him back, it could have been disastrous for everyone.

"Jackson found himself in the position where Chelsea wanted to sell him because he had not lived up to expectations since his arrival. He started as their main No.9 and had the chance to start almost every game.

"It was up to him to take that opportunity and score the goals that would have made it impossible for his manager to put him on the bench. After one season he had to adjust, and he was given another shot. He needed to not just score a lot, but score important goals too. Unfortunately for him and Chelsea, it didn't happen."

Jackson could make his debut for Bayern on Saturday evening as they host Hamburg, just a few days before Chelsea go head-to-head with the German side in the Champions League. As per UEFA rules, Jackson is eligible to play the Blues despite still being contracted at Stamford Bridge.