Former Sheffield Wednesday and England international Carlton Palmer was taken to hospital yesterday after completing the Sheffield Half Marathon.
Palmer, 57, Tweeted that he had been kept in over night with a suspected small heart attack, and is currently undergoing tests.
In 2016, Palmer underwent life-saving five hour heat surgery.
Palmer played over 200 times for Wednesday and in the late 80s and early 90s, as well as achieving 18 England caps.
Former international team mate Alan Shearer was one of those to wish Palmer well.
Shearer tweeted “Hope you’re ok pal 🙏🏻”.
Palmer replied: “Thanks pal ,they are still running tests to find out what caused it but I am fine 👌”.