Kieran Shannon: The world golfer of the decade is the Irish sportsperson of the decade

Rory McIlroy is by a distance the Irish sportsperson of the decade, writes Kieran Shannon.

To appreciate just how mega and great someone is, sometimes you just need to look at the bottom line.

Last week an infographic went up on twitter tracking the highest-grossing sportspeople in the world over each of the last 30 years, according to Forbes magazine.