Watch: Warriors' Thompson throws a strike before A's vs. Giants game

Bay Area sports fans' attention was focused at Coliseum on Saturday afternoon for the anticipated matchup between Barry Zito and Tim Hudson as the Oakland Athletics and San Francisco Giants staged another 'Battle of the Bay'.

Before the game, Klay thompson of the NBA Champion Golden State Warriors took the mound for the ceremonial first pitch, was pretty impressive. Check out his effort below, as shared by the A's and CSN Bay Area's Alex Pavlovic on Twitter:

Klay is no stranger to the Coliseum, as he made an appearance back in late May, socializing with A's players in the clubhouse and taking in a game.

He also showed his brother Trayce Thompson of the Chicago White Sox isn't the only member of the family that knows his way around a baseball diamond...