The Denver Broncos have signed unrestricted free agent linebacker Nick Greisen.
The ninth-year pro spent last season on injured reserve with the Broncos after signing as a free agent on April 29, 2009.
The former University of Wisconsin star has played for the New York Giants, who drafted him in 2002, Jacksonville and Baltimore.
Greisen has appeared in 98 games with 33 starts, plus five playoff games.
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