Before kicking off at Throstle Nest against Kendal Town on the opening day of the season the duo have announced they'll be undergoing MacMillan Cancer Support's Brave The Shave challenge.
Greaves, who was appointed in May and at 27 is one of the youngest chief executive officers in football, is looking forward to being part of the pre-match entertainment for fans when their heads are shaved pitchside in the latest charity challenge to sweep the country.
Celtic's CEO does have some worries over the new look he'll be adopting but reckons it will be well worth it with £375 already donated towards his personal fundraising target of £1000.
"I have a strong feeling that I am going to look like Uncle Fester from the Addams Family for a number of months after but the money I will raise will be going to a great cause," he said.
For more information or to donate, visit: www.bravetheshave.org.uk/shavers/joshua-greaves
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