Defoe has two years left to run on his contract on the south coast but his current club could agree to pay a portion of his £65k-a-week deal if the former England and Tottenham star does agree to a move north of the border.
Profits from sports wagering may come at a cost
Hockey is among the games being broadcast on 47 flat screens above while gamblers sit in leather seats to watch and strategize. So gambling has been going on and will continue to do so, undoubtedly growing in popularity in the process.
McGregor started his career at Ibrox and had loan spells with St Johnstone and Dunfermline Athletic before becoming a first-team regular.
The 36-year-old has spent five years at Hull and has played for them in an FA Cup final and in Europe.
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Payet was a key figure in France's run to the Euro 2016 final, although he has not featured for the national team since a 2-1 win over Belarus on October 10.
The 35-cap Scotland global won three league titles, a hat-trick of Scottish Cups and five League Cup titles during his first Rangers stint.
"I started training here when I was 12 years old and used to come through the main stand maybe twice a week".
McGregor added: "We need to make this place a fortress where nobody wants to come. If you keep doing that, that's what wins you titles".
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The matter was referred to the Committee on Ethics and Privileges to investigate which recommended 181 days of suspension.
But they were relegated in 2015 and, as he recovered from injury, McGregor was loaned out to Championship rivals Cardiff City for the second half of the 2016-17 season.