The Arizona Cardinals signed veteran center John Estes.
Estes is a 6-foot-2, 293-pound former Jacksonville Jaguars offensive lineman.
Estes played in two games in 2011 for the Jaguars.
The Cardinals hired Buddy Morris as their new strength coach, replacing John Lott.
Lott was fired last week.
Morris comes from the University of Buffalo.
He was previously the Cleveland Browns and University of Pittsburgh strength coach.
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Aaron Wilson covers the Ravens for The Baltimore Sun