IRFU referees will be involved in the action across the Champions Cup, Challenge Cup and all five divisions of the Men’s Energia AIL. In the Champions Cup on Saturday Frank Murphy has the whistle for Gloucester v Montpellier with Andy Brace and Robert O’Sullivan providing AR support at Kingsholm. Meanwhile in the Challenge Cup Joy Neville is in Italy to officiate at the Pata Stadium where Calvisano host Pau.  Joy will be supported by Jonny Erskine and Richard Kerr on the touchlines. At the Stade Armandie Sean Gallagher will be the man in the middle as Agen welcome Wasps in the Challenge Cup.  Nigel Correll and Oisin Quinn are on AR duty. On Sunday George Clancy completes the trio of Challenge Cup appointments as he takes control of Leicester Tigers against Cardiff Blues at Welford Road.   Chris Busby and Mark Patton providing AR support. IRFU Referee Appointments Saturday 11^th January, 2020 EPCR Champions Cup Gloucester v Montpellier: F. Murphy (Ref), A. Brace (AR1) R. O’Sullivan (AR2) EPCR Challenge Cup Rugby Calvisano v Pau: J. Neville (Ref), J. Erskine (AR1), R. Kerr (AR2) Agen v Wasps: S. Gallagher (Ref), N. Correll (AR1), O. Quinn (AR2) Energia AIL Div1a Ballynahinch v Clontarf: E. Cross Cork Constitution v Young Munster: P. Martin Dublin University v Terenure College: S. Gaffikin Garryowen v UCD: R. Horgan Lansdowne v UCC: C. Busby Energia AIL Div1b Armagh v Banbridge: E. Hogan O’Connell Navan v Naas: C. Hogan Old Belvedere v St Mary’s College: D. Carson Shannon v Highfield: P. Haycock Old Wesley v Malone: S. Kierans Energia AIL Div2a Ballymena v Rainey Old Boys: J. Peak Buccaneers v Old Crescent: H. Richmond Nenagh Ormond v Queen’s University: A. Cole UL Bohemians v Cashel: D.T. Blake MU Barnhall v Dolphin: G Sheridan Energia AIL Div2b Ballina v Sligo: K. Davison Blackrock v Greystones: E. O’Shea Dungannon v Belfast Harlequins: J. Wilson Galwegians v Wanderers: T. O’Donoghue Malahide v Corinthians: R. Watson Energia AIL Div2c Bangor v Enniscorthy: P. Sheehan City of Derry v Midleton: M. Casey Clonmel v Skerries: M. Scanlon Sunday’s Well v Omagh: P. O’Connor Tullamore v Bruff: P. Reidy Sunday 12^th January, 2020 EPCR Challenge Cup Leicester Tigers v Cardiff Blues: G. Clancy (Ref), C. Busby (AR1), M. Patton (AR2)