Ben Ransom of Saracens wears an impact sensor behind his ear to help determine the effects of possible concussion during the Aviva Premiership match between Saracens and London Irish at Allianz Park on Saturday.  Photograph:  David Rogers/Getty Images

Saracens players wore sensors to measure the force and direction of impacts to the head during Saturday’s victory over London Irish. The gadgets, used(...)

Former South African rugby captain Francois Pienaar at the official announcement of the One Young World 2014 summit at Trinity College in Dublin. The charity gathers together young people between 18 and 30 from around the world, and endeavours to empower them to make lasting connections to create positive change. Photograph: Niall Carson/PA Wire

South Africa’s 1995 World Cup winning captain Francois Pienaar is enjoying a dual purpose visit to Ireland. Yesterday afternoon, he s(...)

Video: Leo Cullen on Kidney's tenure

Saracens chief executive Edward Griffiths said Mark McCall is “totally committed” to the club after signing a new two-year deal and that ther(...)