The Broncos on Monday announced the signing of four players to future contracts.
Wide receivers Kyle Williams (Arizona State) and Jeremy Kelley (Maine), cornerback Curtis Marsh (Utah State) and defensive end Chase Vaughn (Colorado State-Pueblo) were all added to Denver's futures list.
All four will be with the Broncos through the offseason and 2015 preseason, though their contracts and subsequent salary figures don't officially take effect until the beginning of the 2015 NFL season, March 10.
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