Former West Ham goalkeeper Shaka Hislop collapsed live on air while covering a match between Real Madrid and AC Milan in California.
The 54-year-old Premier League star was working as an analyst for US broadcaster ESPN when he began to appear unwell.
He was speaking alongside fellow presenter Dan Thomas when he stumbled backwards before falling face forwards towards the ground.
Thomas called for help as crew rushed to assist Hislop and the channel cut to a commercial break.
ESPN later tweeted to say Shaka was “conscious and talking” and had been tended to by medics.
Temperatures in California were reportedly around 30C on Sunday.
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‘It’s good news’
In a half-time update, Thomas said: “Obviously my mate, Shaka, not here, but as it stands, it’s good news.
“He’s conscious, he’s talking, I think he’s a little embarrassed about it all. He’s apologised profusely – not a man who likes people to make a fuss of him.
“Obviously far too early to make any sort of diagnosis but the important thing is that Shaka’s conscious and we’ve spoke to his family as well, because you imagine seeing that happen live there can’t be many more things that can scare you amongst a family.
“We’ve spoke to his wife and things are looking OK.”
Thomas then paused before joking: “Silly Shaka.”
He added: “Thank you for all your love, and as it stands, Shaka looks like he’ll be alright.”
Hislop served two separate stints at West Ham from 1998-2002 and 2005-2006. He also played for Newcastle and Trinidad and Tobago.