Shamrock Rovers were not one of the eight founding members of the League of Ireland in 1921-22, when St James’ Gate were the inaugural winners. But a year later, the Hoops won the league in their first season of membership and in the 100 or so years since then have become the Republic of Ireland’s most successful club.
Last season, Rovers won four-in-a-row for the second time in their history (having also done so in the1980s), but it was the first