Denver signed Miami nickel cornerback Nathan Jones on Friday evening. He has three interceptions in six NFL seasons.
This may be a sign that second-year player Alphonso Smith may not be completley ready to contribute. Smith was replaced by undrafted free agent Tony Carter late last season. Denver gave up its 2010 No. 1 pick (No. 14 overall) to Seattle to draft Smith at No. 37 last year.
Kansas City re-signed backup running back Jackie Battle. He played in 17 games the past three seasons for the Chiefs.
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Detroit cut massive defensive tackle Grady Jackson. Jackson, 37, could interest both Oakland and San Diego. He could fit both the 4-3 and 3-4 defenses.