Apr 21, 2015; St. Petersburg, FL, USA; Tampa Bay Rays starting pitcher Chris Archer (22) throws a pitch during the second inning against the Boston Red Sox at Tropicana Field. Mandatory Credit: Kim Klement-USA TODAY Sports
As we enter the fourth week of the 2015 season, the Tampa Bay Rays, Miami Marlins and Pittsburgh Pirates are all riding five-game winning streaks.
The St. Louis Cardinals and New York Mets continue to reign as the elite teams in the National League while the Houston Astros have and Detroit Tigers remain as division leaders in the American League.
Trending down this week are the Washington Nationals, Baltimore Orioles and Atlanta Braves.
Here are the rankings for this week
Next: Where do the Padres rank?
Apr 26, 2015; San Diego, CA, USA; San Diego Padres relief pitcher Craig Kimbrel (46) pitches during the ninth inning against the Los Angeles Dodgers at Petco Park. Mandatory Credit: Jake Roth-USA TODAY Sports
Next: Are the Rockies an improved team?
Apr 25, 2015; Denver, CO, USA; Colorado Rockies relief pitcher John Axford (66) delivers a pitch in the ninth inning against the San Francisco Giants at Coors Field. The Giants defeated the Rockies 5-4 in extra innings. Mandatory Credit: Ron Chenoy-USA TODAY Sports
Next: The Nationals had a tough week
Apr 24, 2015; Miami, FL, USA; Washington Nationals right fielder Bryce Harper (34) connects for an RBI single during the sixth inning against the Miami Marlins at Marlins Park. Mandatory Credit: Steve Mitchell-USA TODAY Sports
Next: Who is ranked last?
Apr 26, 2015; Milwaukee, WI, USA; Milwaukee Brewers pitcher Mike Fiers (50) reacts after giving up a solo home run to St. Louis Cardinals left fielder Mark Reynolds (12) in the fifth inning at Miller Park. Mandatory Credit: Benny Sieu-USA TODAY Sports