Defensive end Vonnie Holliday, who joined the Denver Broncos on Sunday for his first workout with his new team, says an injured knee is what prevented him from signing a contract this spring. Holliday, who signed with the Broncos on Saturday after Le Kevin Smith missed Denver’s final two preseason games with a knee injury, told The Associated Press after practice that he had his right knee…

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Holliday OK after knee surgery in Jan. (AP)