Sunderland’s 3-0 win over local rivals Newcastle United on Sunday has eased the pressure on the Wearsiders, defender Billy Jones has said, adding that the performance could act as a catalyst for the rest of the season. Sunderland got their first Premier League win of the campaign in their 10th game, lifting themselves off the bottom of the table in the process. It was also the first win under new manager Sam Allardyce, who replaced Dutchman Dick Advocaat …