Denver Broncos center Manny Ramirez's two-year contract extension is worth $3.97 million and includes a $500,000 signing bonus, according to a league source.
The deal includes base salaries of $815,000, $1.25 million and $1.4 million.
None of the base salaries are guaranteed.
The deal includes playing-time incentives of $1.5 million in 2014 and $2.5 million in 2015.
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Aaron Wilson covers the Ravens for The Baltimore Sun.