BBC Sport explores the health impact of extreme heat on athletes, following the death of a Fijian rugby player in Japan in August.

How much attention have you paid to what's happened in the world of sport over the past seven days?

Manchester United is selling pieces of its Old Trafford pitch for £125 each, an initiative announced the same day the club reported its overall debt remains more than £1bn.

Overlooked by Steve Clarke and dismissed by some Scotland fans, but Oli McBurnie returns with a point to prove, writes Tom English.