This weekend's late fixtures have now impacted the second round of Gallagher Premiership fixtures.
The Exiles wrote in a statement: "London Irish can confirm that the Club’s Gallagher Premiership Round 2 tie against Northampton Saints will now be played on Saturday 17th September, kicking-off at 2pm.
"The game has been moved a day later as a result of Premiership Rugby’s decision taken today (9th September) to reschedule Northampton’s first league game against Sale Sharks.
"For any enquiries about tickets, please contact Northampton Saints’ ticket office via 01604 581000."
Premiership Rugby fixtures: Round 1
Saturday
Exeter vs Leicester, 3pm
London Irish vs Worcester, 3pm
Newcastle Falcons vs Harlequins, 3pm
Bristol Bears vs Bath, 5.30pm
Sunday
Gloucester vs Wasps, 3pm
Sale Sharks vs Northampton, 3pm
