BRIEF: On deck for Giants: Milwaukee Brewers.

Byline: Andy Baggarly

Jul. 20--ON DECK: Milwaukee Brewers

Site: Miller Park.

About the Brewers: Milwaukee Manager Ned Yost said he would let game situations dictate when his pitchers would challenge Barry Bonds, who is three home runs away from breaking Hank Aaron's all-time record. "It doesn't matter if it is Bonds or (the Cubs') Derrek Lee. If it's a guy we don't want beating us in a situation, we'll do what we need to do," Yost said. "But then again, I don't think it is fair to your fans to take away from them an opportunity to see history made." . . . The Brewers face the Giants at the tail end of a long homestand against N.L. West opponents. …