It's early, but we've already learned plenty about teams that should contend come October. Here's the top 7 teams: 7. Rockies: The pitching has been excellent and closer Greg Holland already 7 clean saves 6. Orioles: Rookie 1B Trey Mancini has tied an MLB record with 7 homers and 14 RBI through 12 games 5. Nationals: Nats hitters lead baseball with an .820 OPS to start the year 4. Dodgers: Kershaw remains dominant and Yasiel Puig is looking like his old self with a .326 average 3. Red Sox: Chris Sale earned Pedro Martinez comparisons after his first start at Fenway Park 2. Cubs: The defending champs have gotten great starting pitching but the bats have yet to thaw out 1. Astros: Altuve bounced back, Dallas Keuchel has been superb and George Springer has six homers

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