The march is part of an effort to pass state legislation requiring large corporations to offset their climate footprint by supporting environmental projects.
California Big City Mayors is a bipartisan coalition of 13 mayors from cities such as Oakland, San Jose, San Francisco, Sacramento, Stockton, Bakersfield, and Los Angeles.
The Oakland native made two Pro Bowls as a top player in the league during his time with Tampa Bay Buccaneers and also played for the then-Oakland Raiders in 2018.