Sporting Digest: Rugby League

WARRINGTON have signed Tewato Barlow, a 24-year-old hooker from Waikato in New Zealand, while St Helens' hooker or half-back, Gus O'Donnell, is joining Workington on a month's loan. Another hooker, Australia's Jim Serdaris, has had an X-ray on a chest injury which he suffered at Castleford on Wednesday night.