Kelleher hat-trick helps defending PRO14 champions Leinster thrash Ospreys October 04, 2019 758 Breaking News.ie : Rugby Kelleher hat-trick helps defending PRO14 champions Leinster thrash Ospreys Ronan Kelleher opened his Leinster try account with a well-taken hat-trick in a 53-5 Guinness PRO14 hammering of Ospreys at the RDS.