• Dodgers 3, Pirates 0: In Los Angeles, Zack Greinke pitched two-hit ball into the seventh inning of his Dodgers debut.
Andre Ethier homered, and Los Angeles got RBI doubles from Matt Kemp and Adrian Gonzalez.
• Giants 1, Cardinals 0: In San Francisco, Barry Zito outdueled Jake Westbrook and also had a key sacrifice bunt that led to San Francisco's lone run in the fourth, when Angel Pagan drew a bases-loaded walk.
The Giants won their 15th straight with Zito on the mound, including the postseason. He hasn't lost since Aug. 2 against the Mets.
Zito blanked the Cardinals on three hits through the seventh. San Francisco's starters have gone 26 innings without surrendering an earned run.
• Reds 15, Nationals 0: In Cincinnati, Todd Frazier and Zack Cozart each homered twice, and the Reds hit six in all - including Xavier Paul's pinch grand slam.
Dan Haren had a rough time in his Nationals debut, giving up four homers and six runs in four innings. The right-hander signed a one-year, $13 million deal in the offseason.
• Rockies 5, Padres 2: In Denver, Wilin Rosario and Dexter Fowler homered, helping Jeff Francis and Colorado to beat San Diego in a festive home opener at Coors Field.
• Marlins 7, Mets 5: In New York, Alex Sanabia won for the first time in more than two years, and Miami Marlins gave Mike Redmond his first victory as a major-league manager.
• Braves 4, Cubs 1: In Atlanta, Justin Upton hit his third homer in four games, and Mike Minor pitched into the eighth inning.
• Orioles 9, Twins 5: In Baltimore, Chris Davis extended his torrid start with a grand slam and five RBIs, and Baltimore Orioles had a five-run eighth inning in its home opener.
Davis became the fourth player in major league history to homer in his first four games of the season, joining Willie Mays, Mark McGwire and Nelson Cruz. He is 9 for 15 (.600) with four homers and 16 RBIs.
• Tigers 8, Yankees 3: In Detroit, Prince Fielder hit a go-ahead, three-run homer in the fifth inning and added a soaring, two-run shot in the seventh to lift Detroit in its home opener.
• Athletics 8, Astros 3: In Houston, Coco Crisp hit the fourth pitch of the night over the wall in right and added two doubles in Oakland's big fifth inning.
• Mariners 8, White Sox 7: In Chicago, Kendrys Morales hit a tiebreaking double in the 10th inning, and Jesus Montero tacked on a run-scoring single.
• Red Sox 6, Blue Jays 4: In Toronto, Mike Napoli hit a two-run homer and drove in the go-ahead run in the eighth inning, helping Boston manager John Farrell win in his return to Toronto.
• Rays 4, Indians 0: In St. Petersburg, Fla., Matt Moore pitched six sharp innings, and Ben Zobrist drove in three runs.
• Royals 13, Phillies 4: In Philadelphia, Alex Gordon and Chris Getz each hit bases-loaded triples, and Kansas City rallied from a 4-0 deficit to spoil the Phillies' home opener.
The interleague matchup was a rare one between teams that first met in the 1980 World Series - the Royals' only other visit to Philadelphia came in 2004.