Arizona Diamondbacks (26-19) at Colorado Rockies (24-21) 8:40 p.m. (ET)
| |Tuesday, May. 21, 2013
Colorado's Jhoulys Chacin tries to put the brakes on a personal three-game losing streak on Tuesday when the Colorado Rockies continue a three-game series with the Arizona Diamondbacks at Coors Field.
Chicago Cubs (18-25) at Pittsburgh Pirates (26-18), 7:05 p.m. (ET)
| |Tuesday, May. 21, 2013
Chicago righty Matt Garza makes his season debut on Tuesday when the Cubs begin a three-game set with the Pittsburgh Pirates at PNC Park.
Boston Red Sox (27-18) at Chicago White Sox (20-23), 8:10 p.m. (ET)
| |Tuesday, May. 21, 2013
The Boston Red Sox aim to get even with the Chicago White Sox when the two clubs resume a three-game set Tuesday at U.S. Cellular Field.
Los Angeles Dodgers (18-25) at Milwaukee Brewers (17-26), 8:10 p.m. (ET)
| |Tuesday, May. 21, 2013
Right-hander Zack Greinke returns to the scene of his initial National League success on Tuesday night, when the Los Angeles Dodgers visit the Milwaukee Brewers for the second of three games at Miller Park.
Seattle Mariners (20-25) at LA Angels of Anaheim (17-27), 10:05 p.m. (ET)
| |Tuesday, May. 21, 2013
The Seattle Mariners will begin the final leg of their nine-game road trip Tuesday, when they open a quick two-game series against the Los Angeles Angels of Anaheim.
