The rivalry between the Fresno Grizzlies and the Sacramento River Cats will culminate when the teams face off for a five-game series starting Wednesday. With Fresno leading Sacramento by one game in the PCL South Division standings entering play Monday, the rare five-game series will go a long way in determining the division winner. Not only are the Grizzlies and the River Cats division rivals, but their Major League affiliates, the San Francisco Giants and the Oakland A's, have also been locked in a rivalry ever since the two teams moved to the Bay Area. Adding extra pressure to the rivalry is an intense Playoff race that will be decided by the showdown at Raley Field. For many River C