Newcastle United's preparations for tomorrow's Premier League derby with Sunderland have been given a lift after confirmation that captain Fabricio Coloccini and goalkeeper Tim Krul have signed new contracts.

Argentinian international Coloccini has agreed a new four-year contract, while Dutchman Krul has inked a five-year deal.

"As far as I'm concerned, and the players and staff, it's a huge boost before tomorrow's game and I hope our fans will continue today with a nice smile on their face and we continue that through Sunday evening," Magpies manager Alan Pardew told a press conference. "They've been absolutely terrific and deserve their new contracts."

Coloccini, 30, joined Newcastle in 2008 after four years with Deportivo La Coruna.