San Francisco 49ers sign free-agent defensive tackle Earl Mitchell, NFL News
Earl Mitchell activated off injured reserve - The Phinsider
49ers ink ex-Dolphins defensive lineman Earl Mitchell to a four-year deal
Mitchell on signing with 49ers: 'I'm proud of the decision I made'
Miami Dolphins to place Earl Mitchell on IR
Earl Mitchell - Wikipedia
Earl Mitchell - NFL News, Rumors, & Updates
Dolphins release Mario Williams; Branden Albert's future unclear
Dolphins activate Earl Mitchell from IR - NBC Sports
Fairley, Poe among options at defensive tackle for Dolphins in free agency