Saracens sign Scotland second-row Kieran Low from Glasgow

• Low joins Premiership leaders until the end of season• Rhys Webb signs national dual contract with Ospreys and WalesSaracens have signed a timely reinforcement in the Scotland second-row Kieran Low on loan from Glasgow until the end of the season. The 24-year-old joined Glasgow in the summer but made the last of his three appearances in October. Low has Premiership experience having played 43 times for London Irish.“We are delighted to be able to bring in a player of Kieran’s calibre to Saracens at this point of the season,” said the director of rugby, Mark McCall. “He is an international-qu…