The Seattle Seahawks signed defensive tackel Andru Pulu and claimed tackle Cory Brandon off waivers from the Cardinals.
They also cut linebacker Brandon Denmark and wide receiver Ronald Johnson.
Pulu originally signed with the Seahawks in May before being cut a month later.
Brandon entered the NFL as an undrafted free agent with Tampa Bay in 2011 and has also spent time with Chicago and Arizona.
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Aaron Wilson covers the Ravens for The Baltimore Sun