Conor Murray and Eoin Reddan are expected to be available for Ireland's opening RBS 6 Nations clash against Italy.
Rafael Nadal is out of the Australian Open, going down in straight sets to seventh seed Tomas Berdych.
Damien Cahalane admits he found it tough to pick hurling over football and does not yet know if he made the right decision.
England will be without Owen Farrell for the entire RBS 6 Nations championship.
Samuel Eto'o has completed his move to Serie A side Sampdoria.
Joe Barakat is to join Ulster Rugby as assistant coach on a two-year deal.
Alex Oxlade-Chamberlain expects Arsenal to thrive following the return of Aaron Ramsey, Theo Walcott and Mesut Ozil from injury.
Mario Balotelli's agent Mino Raiola has denied claims that the striker is unhappy at Liverpool.
Former Champion Hurdle winner Rock On Ruby is to step up to three miles for a crack at the Ladbrokes World Hurdle at the Cheltenham Festival.
League One side Bradford City will face either Sunderland or Fulham in the FA Cup fifth round as a reward for beating Premier League leaders Chelsea 4-2 at the fourth round stage.