On july 1, 1999 The Brewers defeat the Cubs, 19 – 12, as SS Jose Valentin hits 2-run home runs from each side of the plate. 2B Ronnie Belliard and C Dave Nilsson each get four hits for Milwaukee, while Belliard drives home five runs. The Brewers light up Steve Trachsel for 10 runs in 3 2/3 innings pitched, hanging his National League-high 11th loss on him. The Brew Crew collects 21 hits for the second time in three nights. There are eight homers in the game, including a pair by the Cubs’ Mickey Morandini. Not homering after four straight games in which he went deep is Sammy Sosa, who singles twice.

Source
Baseball Reference July 1