‘The left ankle of free safety Ko Simpson remains a worry this summer. Simpson, who broke the ankle in the season opener last September, sat out Thursday’s practice due to discomfort in his ankle and foot area. He was taken for a magnetic resonance imaging test that coach Dick Jauron said showed no major problem. “It was so we could put his mind at ease and our own about it,” Jauron said. “We think that we’ve eliminated any real serious stuff so now we just work through the soreness.”‘