Skip to main content As city, A's spar over proposed new stadium, Oakland advances talks on future of Coliseum site FacebookTwitterEmail Ray Bobbit, the founder of African American Sports and Entertainment Group, is offering to purchase Oakland's 50% half of the Coliseum for $92.5 million. on Friday, June 11, 2021 in Oakland, Calif.Paul Kuroda / Special to The Chronicle While the battle between Oakland City Council and the A’s over the team’s proposed new stadium took the spotlight this week, city leaders also moved closer to determining the fate of the Coliseum site that the team plans to leave. Council directed staff Tuesday to pursue dual track negotiations with two Black developer groups for the city’s share of the Coliseum in a bid to advance a new vision for the current ballpark site — though one of them has a clear advantage.