Seahawks have mass roster exodus, sign five new guys

The Seahawks are dealing with some injury issues, and brought in replacements in bulk Saturday. The team announced a five-in, five-out transaction list today, waiving-injured five players: Fullback Brandon Cottom, tight ends Cooper Helfet and Ronnie Shields, running back Tre Madden and defensive end David Perkins. Helfet’s been with the Seahawks the last two seasons, but…