Kemp gets the day off for the first time since May 27 after starting the last 35 games in left field.
Tulowitzki isn't starting for the Rockies. Josh Rutledge starts at shortstop for Colorado, batting second.
Ramirez is 7-for-22 (.318) with three home runs, a triple, a double and two walks against new Rockies starter Jair Jurrjens, though the two haven't faced each other since 2010.
Jurrjens was just acquired by the Rockies on Wednesday from the Reds for minor league first baseman Harold Rigins. Jurrjens was 2-3 with a 4.46 ERA in six starts for Triple-A Louisville, with 27 strikeouts and 13 walks in 34⅓ innings. He last pitched on Saturday.
Andre Ethier is 6-for-13 (.462) with seven walks (.650 on-base percentage) against Jurrjens, and Juan Uribe is 5-for-9 (.556) with a home run, two doubles and two walks. Adrian Gonzalez is 4-for-14 (.286) against Jurrjens with a home run and two doubles, and Kemp is 4-for-13 (.308) with a home run.