Amir Khan has paid tribute to Willie Limond following his death on Monday aged 45.
Limond, who played non-league football in Scotland before picking up the gloves, suffered an attack in his car and was found unconscious earlier this month.
The 45-year-old had recently returned to the ring and was preparing for a clash with Joe Laws scheduled for next month.
As well as holding European and Commonwealth gold during his career, Limond was most famous for taking on a young Khan in 2007.
Speaking after Limond’s tragic passing, Khan offered his condolences via social media.
Amir Khan has paid tribute to Willie Limond after the boxer’s death at just 45 years old
The former world champion offered his support to Limond’s family in a social media post
“Just a quick video today about a former opponent I faced in 2007 for the Commonwealth title,” Khan said.
“It was my first major title as a professional boxer and it was against a guy named Willie Limond. Willie was driving and had a seizure and then they sent him to the hospital and he passed away.
‘My thoughts are with his family. If there is any way I can help or support please contact me or the team. It is sad news for boxing, he was a great champion, he was a great person. We met numerous times after fighting and, like I said, my thoughts are with his family.
‘If there is any way I can help, please let us know. Our prayers are there for Willie, we will keep him in our prayers and rest in peace.”
Limond became the first fighter to knock down Khan as a professional when the two met for their Commonwealth title in 2007.
Khan was just 20 years old and 12 fights into his burgeoning professional career when the pair met for Limond’s Commonwealth lightweight belt at London’s O2 Arena.
After the Olympic silver medalist took an early lead on the scorecards, Limond fought back and became the first fighter to knock down Khan as a professional when he landed a thunderous combination in the sixth round.
However, Khan recovered well and scored his own knockdown in the next round before Limond retired on his stool after the eighth.