Marcus Semien grew up in the East Bay a Giants fan. He wore a Barry Bonds jersey as a kid and in 2004 crossed the Bay Bridge to see Bonds’ 700th career homer. The tickets were a present from his grandmother on his 14th birthday.
Monday night, in the first of four straight games between his childhood team and his current team, Semien hit a grand slam to lift the A’s to an 8-5 victory before a Coliseum crowd of 38,391.
These aren’t the glory days of the Giants-A’s rivalry. There’s no talk of a simultaneous run to the playoffs, and any hopes of finishing close to .