You can watch last year's finalists Glasgow and Leinster battle it out in round one live on Sky Sports.
Stuart Barnes says Munster will be the biggest threat to Leinster’s bid for a third Guinness PRO12 title.
Top Italian club Treviso have secured the signature of former Wasps fly-half Joe Carlisle.
Northampton could miss out on being a top-seed side for the pool stages of the European Rugby Champions Cup draw.
Newport Gwent Dragons finally got a victory in the RaboDirect Pro12 as they battled to beat a stubborn Treviso 20-19.
All RaboDirect PRO12 teams kick off at 6:30pm on Saturday in the final round of regular-season action.
Cardiff Blues have signed 30-year-old Italy back-row forward Manoa Vosawai from Treviso.
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