Graham Roberts was a commanding defender whose leadership on the pitch earned him recognition as one of Rangers' finest during his time at the club.
He's now said he's undergoing treatment for prostate cancer in a heartfelt post on social media.
READ MORE: "Struck a chord": Rangers fans raise £358k for homelessness charities
READ MORE: Boozer launches own line of Rangers-themed Labubu dolls
He wrote on X: "I'm undergoing radiotherapy treatment and brachytherapy for prostate cancer and would love to raise money for this charity.
"This October my daughter is walking 5km each day and I am going to try and do as much as i can as well. Please donate to this."
Roberts, 66, spent two seasons with Rangers between 1986 and 1988, scoring three goals in 69 appearances to help Graeme Souness' side to win both the league title and a Scottish League Cup.
He came to Ibrox following a successful six-year spell at Tottenham, where he won two FA Cups and the UEFA Cup in 1984.
On the Prostate Cancer site, Hollie wrote: "My dad Graham Roberts is currently undergoing radiotherapy treatment and brachytherapy for prostate cancer.
"Prostate cancer kills one man every 45 minutes - that's half a football match.
"But it doesn't have to be this way.
"This October, I'm joining Prostate United by walking, 5km every day with my fellow football fans to help save men's lives.
"Dad is also going to try and walk each week as well after his treatment.
"Sponsor me to help fund lifesaving research for men and their families affected by this disease.