Joe Enrique appeared to injure 'Curly' on Soccer AM after falling on him during a challenge on live TV.
The former full-back was taking shots at goal when he lost balance and fell onto the regular, who was passing balls to 'Tubes' to throw for the volleys those taking part were striking.
Enrique, who is left-footed, turned to shoot from a throw and fired wide as he aimed for the 'top bins' of the goal.
He clattered into 'Tubes', before collapsing onto 'Curly', real name James Kirtland.
Enrique got up straight away in laughter at falling over, but Kirtland was left in agony as he rolled over and clutched his leg.
Producers eventually ran onto check on Kirtland, who was clearly legitimately hurt by the incident.
Host John Fendley confirmed to viewers half-way through the segment that it was the case, and staff continued to tend to the presenter as the challenge initially carried on.
Both 'Tubes' and Enrique grew more concerned and eventually checked on Kirtland.
Kirtland tweeted after the show, however, confirming there was nothing for viewers to worry about.
'Thank you to everyone who sent their best wishes regarding the collision today on the show,' he said. 'Thankfully, all is well.'
'I didn't even see him coming tbh. Just some bruising on the lower part of shin. I'll run it off.'
Enrique had joined the show to talk all things football and took part in the challenge along with actor Rhys Connah and Bolton and Plymouth fans ahead of the Papa John's Trophy final at Wembley on Sunday.
Soccer AM has recently been axed from TV after 30 years on screens as part of a drastic Sky Sports shake-up.
A source told the Sun that morale is 'at an all-time low' following the 'bombshell' announcement which has left staff, who are now facing redundancy in May, 'raging'.
Saturday Social, which previously aired before Soccer AM, is reportedly going to fill the vacant slot from next season with an aim of targeting younger viewers.