Leinster have named 9 changes ahead of the game with Munster
Harry Byrne is back for Leinster as they've named 9 changes ahead of next week's Interpro with Munster.
The flyhalf returns after completing the return to play protocols while Ciaran Frawley moves to the centre to partner captain Garry Ringrose.
Graham Rowntree has handed Oli Jager his first start for the St Stephen's Day showdown.
The Red Army make four changes from the team that was beaten by the Exeter Chiefs last week with Simon Zebo returning to the backline.
The first of the festive derbies takes place tonight.
Ulster play host to Connacht at Kingspan Stadium in Belfast.
Kick off is at 7.35pm.
Elsewhere, Glasgow host Edinburgh at the same time.
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