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An Tarbh
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London Irish v Northampton
Venue: Madejski Stadium Date: Sunday, 22 March Kick-off: 1500
London Irish make one change from the side that beat Worcester last Sunday to bolster their play-off prospects.
Steffon Armitage starts at open-side flanker with Declan Danaher moving to the blind-side position.
Sean Lamont, out of favour with Scotland, comes in on the wing in place of Paul Diggin for Northampton.
Mark Easter takes over from Ignacio Fernandez Lobbe in a forward reshuffle, but Saints will only confirm their bench on Saturday after fitness tests.
London Irish: Homer; Thompstone, Seveali'i, Mapusua, Tagicakibau; Catt, Hodgson; Dermody, Coetzee, Skuse, Hudson, Johnson; Danaher, Armitage, Hala'ufia.
Replacements: Lea'aetoa, Paice, Roche, Fisher, Thorpe, Lalanne, Hickey.
Northampton: Foden; Reihana, Ansbro, Downey, Lamont; Everitt, Dickson; Tonga'uiha, Sharman, Stewart, Lawes, Kruger; Easter, Best, Wilson.
Replacements (provisional): Gray, Smith, Rae, Hopley, Myler, Mayor, Diggin.
BBC Sport