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?