Houston Astros (45-48, third in the AL West) vs. Washington Nationals (47-45, fourth in the NL East) ...

Colorado Rockies (37-55, fifth in the NL West) vs. Los Angeles Dodgers (60-32, first in the NL West) ...

The Athletics look to end their three-game slide with a win over the Detroit Tigers.

The San Diego Padres look to end their three-game home losing streak with a victory over the Arizona Diamondbacks.

Chicago Cubs (50-40, second in the NL Central) vs. Baltimore Orioles (42-49, fourth in the AL East) ...

Los Angeles Angels (36-55, fifth in the AL West) vs. Texas Rangers (45-45, second in the AL West) ...

Kansas City Royals (37-54, fifth in the AL Central) vs. New York Mets (38-53, fifth in the NL East) ...

Seattle Mariners (47-44, first in the AL West) vs. Miami Marlins (49-42, third in the NL East) ...

Philadelphia Phillies (50-41, second in the NL East) vs. Cincinnati Reds (41-48, fifth in the NL Central) ...

Boston Red Sox (40-48, fifth in the AL East) vs. Chicago White Sox (47-42, first in the AL Central) ...

New York Yankees (50-40, second in the AL East) vs. Tampa Bay Rays (52-36, first in the AL East) ...

Atlanta Braves (52-37, first in the NL East) vs. Pittsburgh Pirates (46-45, fourth in the NL Central) ...