Haren pitched seven shutout innings to extend his winning streak to nine games and the Athletics sent the Kansas City Royals to their 10th consecutive loss, 11-0 Sunday.
Haren (10-7) is 9-0 in 14 starts since his last loss, May 26 at Tampa Bay. His streak matches the AL's longest winning stretch this season, accomplished by Chicago's Mark Buehrle and Texas' Kenny Rogers.
"Early on it was more maybe me keeping us real close," Haren said of his winning streak. "There was a stretch there where I wasn't pitching that well and the offense picked me up every time. Now it's just kind of both clicking. I've thrown the ball better the past few times and the offense is still rolling and picking me up. It's a nice combination and hopefully there's two more months of it."
Haren needed 27 pitches to get out of the first inning, giving up a single and walking Matt Stairs after not issuing a base on balls in his previous two starts.
"After that it was groundballs and double plays," A's manager Ken Macha said.
Haren held the Royals to four hits, struck out six and walked two before being replaced by Kiko Calero to start the eighth inning.
"I threw some pretty good breaking balls, a lot of curveballs," Haren said. "I tried to throw a few more change-ups. I was able to work on that a little bit. My curveball was real good. My fastball command was not as good as it usually is. I walked a couple of guys."
The Royals 10 losses in a row equals the third-longest skid in franchise history and is two shy of a club-record 12 consecutive defeats in 1997.
"We're playing, really, really bad," Royals manager Buddy Bell said. "We've got to come out of it."
The A's, who were 8½ games out of first in the American League West on July 18, are 18-2 since and remained tied with the Los Angeles Angels, who beat Tampa Bay. The A's are 37-8 over their past 45 games to move to a season-high 17-games above .500.
Oakland, which routed the Royals 16-1 Saturday, scored seven runs in the first two innings. Payton homered, his 11th, with Mark Kotsay and Crosby aboard in a four-run first. Crosby had an RBI single for the first run.
"I thought we were going to get out of the first with just one run," Bell said. "Payton's home run was big. That really messed up the day for us. Then when we're down 7-0 that's really an uphill battle for us. We're struggling to score one or two runs."
Melhuse gave starting catcher Jason Kendall a rest in a day game after a night game.
"Adam hardly gets to play and all he did was hit a home run and catch a shutout," Macha said. "He realizes he's not going to get to play much, but he prepares well. You've got to admire him for his stick-to-it."
Melhuse, who went 3-for-4 with a walk, homered for the first time since Sept. 23, 2004, a span of 32 games. His two-run shot made it 6-0.
"It was just my day to catch. Even if I go 4-for-4 with four home runs, I'm not going to play Tuesday. I'm in there to give Kendall a day off once in a while."
Hernandez faced 11 batters and retired only three, while allowing seven runs and six hits -- two home runs -- and walked two. After the first four batters reached in the second inning, he was replaced by Shawn Camp.
"I don't know what happened," Hernandez said. "I prepared myself really good today, but nothing was good. That was not me today. I lost everything. I didn't have a power fastball. I didn't have a power breaking ball. I didn't have good control."
Melhuse just missed another home run in the third when his drive hit high off the center-field wall to drive in Bobby Kielty, who had a two-out single. Crosby's single in the sixth scored Melhuse, who led off the inning with a walk. Crosby had three hits and three RBI.
|Adam Melhuse (right) is 3-for-4 with three RBI, including a home run in the second. (AP)|
|Players of the Game|
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|Mark Ellis, 2B||4||3||3||1||1||0||1||.308|
|Mark Kotsay, CF||2||1||2||1||0||0||0||.270|
|Marco Scutaro, LF||3||0||0||0||0||0||3||.245|
|Bobby Crosby, SS||5||1||3||3||0||0||1||.293|
|Eric Chavez, 3B||3||0||1||0||1||1||3||.275|
|a- Keith Ginter, PH-3B||1||0||1||0||0||0||0||.169|
|Dan Johnson, 1B||5||0||0||0||0||2||9||.321|
|Jay Payton, LF-CF||5||1||1||3||0||1||2||.277|
|Nick Swisher, RF||5||0||0||0||0||2||0||.254|
|Bobby Kielty, DH||4||2||1||0||1||1||0||.279|
|Adam Melhuse, C||4||3||3||3||1||1||0||.222|
|a-singled for Chavez in the 8th|
|2B - Mark Kotsay (25, Ru. Hernandez), Adam Melhuse (6, Camp)|
|3B - Mark Ellis (3, Affeldt)|
|HR - Jay Payton (11, Ru. Hernandez), Adam Melhuse (1, Ru. Hernandez)|
|RBI - Mark Ellis (30), Mark Kotsay (55), Bobby Crosby 3 (29), Jay Payton 3 (40), Adam Melhuse 3 (10)|
|2-OUT RBI - Jay Payton 3 (16), Adam Melhuse (4)|
|Team LOB - 7|
|DP - Crosby-Ellis-Johnson, Haren-Crosby-Johnson, Ellis-Crosby-Johnson|
|Dan Haren (W,10-7)||7||4||0||0||2||6||0||4.08|
|WP - Justin Duchscherer (2)|
|Pitches-Strikes - Dan Haren 96-63, Kiko Calero 13-9, Justin Duchscherer 22-15|
|Ground Balls-Fly Balls - Dan Haren 8-5, Kiko Calero 1-0, Justin Duchscherer 2-0|
|Batters Faced - Dan Haren 25, Kiko Calero 4, Justin Duchscherer 5|
|Kansas City Royals|
|David DeJesus, CF||3||0||0||0||1||2||4||.285|
|Terrence Long, LF||4||0||0||0||0||0||2||.274|
|Mike Sweeney, 1B||4||0||1||0||0||2||0||.309|
|Matt Stairs, DH||3||0||0||0||1||1||0||.263|
|Emil Brown, RF||4||0||1||0||0||2||2||.283|
|Mark Teahen, 3B||4||0||1||0||0||1||0||.249|
|Angel Berroa, SS||4||0||1||0||0||0||2||.258|
|Paul Phillips, C||3||0||2||0||0||0||1||.400|
|Donnie Murphy, 2B||3||0||2||0||0||0||0||.225|
|2B - Donnie Murphy (3, Haren)|
|Team LOB - 7|
|DP - Berroa|
|Kansas City Royals|
|Runelvys Hernandez (L,8-10)||1||6||7||7||2||1||2||4.93|
|Pitches-Strikes - Runelvys Hernandez 43-22, Shawn Camp 56-34, Ambiorix Burgos 12-8, Andy Sisco 24-13, Jonah Bayliss 11-8, Jeremy Affeldt 21-16, Mike MacDougal 12-8|
|Ground Balls-Fly Balls - Shawn Camp 4-3, Ambiorix Burgos 1-1, Jonah Bayliss 2-1, Mike MacDougal 1-0|
|Batters Faced - Runelvys Hernandez 11, Shawn Camp 12, Ambiorix Burgos 3, Andy Sisco 6, Jonah Bayliss 3, Jeremy Affeldt 7, Mike MacDougal 3|
|Attendance - 15228|
|Game Time - 2:38|
|Temperature - 90|
|Umpires - Home - Jerry Meals, First Base - Hunter Wendelstedt, Second Base - Mike Winters, Third Base - Bruce Froemming|