Center J.D. Walton has been activated from the reserve/PUP list, the Denver Broncos announced on Tuesday.
Walton missed most of the 2012 season with an ankle injury and had another procedure that forced him to miss the first half of the 2013 season.
Before the injury, Walton started 36 games to begin his NFL career.
The Broncos also announced that they placed guard John Moffitt on the reserve/left squad list. According to The Denver Post, Moffitt is unhappy with his playing time and doing some "soul searching."
There is a five-day exemption for those placed on the reserve/left squad list.
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Aaron Wilson covers the Ravens for The Baltimore Sun.