Birk to schedule surgery after Vikings turn down offer Associated Press MINNEAPOLIS -- Minnesota Vikings center Matt Birk plans to schedule surgery on his injured left hip, which could keep him out for three months, after the Vikings declined to guarantee his contract for 2006, the player's agent said Thursday. Birk had been cleared to play with painkilling injections but asked the Vikings to guarantee his nearly $4 million salary for 2006 in exchange for him taking a risk and playing with the pain. But the Vikings declined to do so, agent Joe Linta said. "They've turned down all our...