Last week's rankings in parentheses, statistics are through Friday's games:
1. DETROIT: Tigers start May off by winning 6 of 8 as Martinez, Cabrera combine to hit .338 with 5 HRs, 16 RBIs (1)
2. SAN FRANCISCO: Giants lose top power threat Brandon Belt for at least six weeks with a broken thumb. (3)
3. BALTIMORE: Orioles dodge a knife when Wieters, hitting a team-high .323, avoids season-ending surgery (8)
4. MILWAUKEE: Brewers have lost 8 of 12 since Ryan Braun went on the disabled list (2)
5. COLORADO: Tulowitzki hitting .608/.677/1.098 at home, .242/.366/.515 on the road. (4)
6. MIAMI: Mighty Marlins have spent eight days in first place this season,...