On the 20th of February, Burnley defender and former Irish underage international Michael Keane was substituted in the 32nd minute of his side's 2-0 win over Rotherham.
Keane initially continued playing despite a hefty clash of heads, but would ultimately miss Burnley's next two matches after leaving the field of play.
I felt alright to go on but I went down from a set play and said to the physio I couldn't see,
Keane told BBC Radio Lancashire.
The 23-year-old admitted it took some time to return to feeling "normal" after the head-to-head collision.
At first I was just really dizzy all the time and had no memory of the past week, really. The doctor asked me what year it was and I thought it was 1996. I was all over the place.
I got treated really well at the hospital, had a few scans and then had to take my time to get back to normal and thankfully now I am alright.
Looking back, [coming off] was definitely the right thing to do. They have to be extra cautious when it comes to head injuries and rightly so because you can get massive injuries to your brain.
In November 2015, the FA released new guidelines which state that any player suspected of suffering a concussion must be removed from the pitch.
