History of rugby union matches between Leinster and Connacht

That rivalry has continued and even intensified since the emergence of the professional era in the late 1990s.

Connacht and Leinster comprise two of the four Irish provincial teams competing in the Pro14 (formerly known as the Celtic League).

[3] Connacht defeated Leinster 47–10 in 2017, and were so comfortable in their victory that they had a forward kick a conversion.

[4] Connacht and Leinster players have recognized the rivalry that exists between the two teams.

[5] Below are the historical results of the Irish Rugby Football Union teams, Leinster and Connacht, as part of the IRFU Interprovincial Championship, and later the Celtic League, Pro12 and Pro14.