David Frerker-USA TODAY Sports/Sipa USA Minnesota Twins vs San Diego Padres: Both teams are chasing the top of their divisions The Minnesota

Brett Davis-USA TODAY Sports/Sipa USA Colorado Rockies vs Washington Nationals: Both teams have losing seasons The Colorado Rockies and the Washington Nationals

Jonathan Dyer-USA TODAY Sports/Sipa USA Tampa Bay Rays vs Oakland Athletics: A must- win series for the Giants The Tampa Bay Rays

Brett Davis-USA TODAY Sports /Sipa USA Philadelphia Phillies vs Atlanta Braves: An NL East classic The Philadelphia Phillies and the Atlanta Braves

Troy Taormina-USA TODAY Sports/Sipa USA Boston Red Sox vs Houston Astros: Another tough visit for the Red Sox The Boston Red Sox

Gary A. Vasquez-USA TODAY Sports/Sipa USA Chicago White Sox vs San Francisco Giants: A must- win series for the Giants The Chicago

Joe Puetz-USA TODAY Sports/Sipa USA Seattle Mariners vs Los Angeles Dodgers: The Dodgers may reach the top of the NL The Seattle

Stephen Brashear-USA TODAY Sports/Sipa USA Seattle Mariners vs Pittsburgh Pirates: Can the Pirates sweep the series? The Seattle Mariners are visiting the

Jason Parkhurst-USA TODAY Sports/Sipa USA Arizona Diamondbacks vs Tampa Bay Rays: Can the Rays sweep the series? The Arizona Diamondbacks are visiting

David Richard-USA TODAY Sports/Sipa USA Photo by Icon Sport New York Yankees vs Detroit Tigers: Can the Yankees stay on top of