Head injury affected Vertonghen for nine months

has said he cannot change the problems he had endured in the 2018-19

Champions League

.

He suffered an injury in the semi-finals of the Champions League against

after colliding with his teammate

.

He continued to play at first, but after a while, it was not possible for him to continue playing and he needed medical help.

announced after the game that he did not suffer a concussion but now Vertoghen who plays in

has said that the effects of the injury have been with him for months.

"Lots of people don't know but I suffered a lot from that hit [against Ajax]: dizziness and headaches," he said in an interview with Sporza. "This is now the first time I am talking about it. I should not have continued playing, it affected me in total for nine months and that's why I couldn't bring what I wanted to on the field."

He left Tottenham last season and there were rumors of his feud with

Jose Mourinho

.

Vertonghan says that he never had a problem with his manager.

"Everyone thought I was angry with Mourinho, but at that point, I just couldn't [play]," he said of an incident when he was subbed off and appeared to be upset with his coach. "I still had a year left on my contract, so I had to play, but when I played, I played badly. Not many people knew that that was my own choice, it is not blaming anyone. 

"The fact I got benched had nothing to do with [Mourinho]. I was in a period I could not bring what I should have. I even thought he played me a lot compared to how I performed."

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