Richest sporting backers
So just who are the richest Irish sporting backers?
He pays for part of the package for Ireland football dream team Martin O'Neill and Roy Keane, with his Digicel big in rugby and cricket. He's also after the Ryder Cup.
The animal healthcare tycoon is a big funder of the World Equestrian Games, with his Kentucky-headquartered business sponsoring the event.
The IFSC-based financier is the power and wealth behind Champions League regulars Celtic. He also owned a Cheltenham winner.
Irish passport-holder Short is making a big punt on Irish assets. He also owns Sunderland football club, which he bought from Irish investors.
JP McManus & John Magnier
The dynamic duo made a fortune out of flipping shares in Manchester United; they are also the biggest players in the Irish horse racing sector.
Aviation tycoon Ryan was the largest shareholder in London Irish rugby club, which was sold off to Irish investors led by Mick Crossan in January.
O'Leary's Gigginstown racing operation is the most successful outfit in the country at the moment.
Golf-mad Smurfit owns the K Club and brought the Ryder Cup to Ireland in 2006. He also owned legendary St Leger and Melbourne Cup winner Vintage Crop.
Bermuda-based reinsurance magnate Silvester is one of the largest shareholders in English premiership rugby side Saracens.
Construction multimillionaire McElhinney is a petrol head and sponsors a Porsche Carerra racing team on the European circuit.