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9/4/2013 1:35 A.M. ET

Storm Chasers victorious in PCL playoffs

KANSAS CITY -- Omaha, the Royals' Triple-A affiliate, posted a 3-1 win over Oklahoma City on Wednesday night in the opening game of the Pacific Coast League American Conference semifinals. The first two games of the best-of-five series are being played in Oklahoma City before shifting to Omaha for the remaining games.

Game 2 is slated for 7:05 p.m. CT on Thursday.

Christian Colon, a former first-round Draft pick and the Royals' No. 17 prospect, according to MLB.com, went 2-for-4 with a double, home run and two RBIs. Right-hander Brian Sanches pitched 5 2/3 scoreless innings for the victory while Michael Mariot earned the save.

Omaha, the Northern Division champion, holds a 10-8 edge in the season series against Oklahoma City. However, the Storm Chasers are 4-5 on the road.

Rookie level Idaho Falls is also playoff bound following a 12-7 victory against Orem on Wednesday. The Chukars clinched the Pioneer League South for their first playoff berth since 2007 -- ending the longest playoff drought in the league. They will host a playoff game on Monday and one on Sept. 14 should they advance past Grand Junction.

Royals welcome Cain back from disabled list

KANSAS CITY -- Royals center fielder Lorenzo Cain, who has been out with an oblique injury, was re-activated prior to Wednesday night's game against the Mariners.

Cain went on the 15-day disabled list on Aug. 9 with a .261 average, 25 extra-base hits and 43 RBIs in 96 games.

"He can help us. He can improve our outfield defense for the back third of the game," manager Ned Yost said.

Getz better, slated to have concussion tests

KANSAS CITY -- Royals second baseman Chris Getz was reportedly feeling better on Wednesday after leaving Tuesday night's game with dizziness and an upset stomach.

"He's feeling better. Woke up with a headache, but feeling better is the last report I got," manager Ned Yost said.

Getz left the 4-3 win over the Mariners after two innings, shortly after being jarred while making a fielding play. Yost said Getz would undergo tests to determine if he sustained a concussion.

Escobar tops KC list for consecutive steals

KANSAS CITY -- After a pair of stolen bases in Monday's 3-1 win over the Mariners, shortstop Alcides Escobar set a new Royals single-season record with 18 consecutive steals. He also held the longest consecutive streak in the Major Leagues entering Wednesday night's game.

"I didn't even know that until yesterday when it was on the scoreboard," said Escobar, who is perfect at 18-for-18. "Being in Kansas City and leading them all-time in the record is good. I am so happy for that."

Escobar eclipsed Gary Thurman's mark of 16 straight in 1989, and has swiped 25 straight overall dating to Sept. 14, 2012. Carlos Beltran owns that Royals record of 33 in a row from Sept. 28, 1999 to Aug. 10, 2001

He's not the only Royals runner finding success on the basepaths this season. In fact, the club leads the Majors with 129 stolen bases entering Wednesday and ranks second in the American League with an 84.3 success rate.

"We have a lot of speedy guys in here like [Jarrod] Dyson, me, [Chris] Getz and now [Emilio] Bonifacio," Escobar said. "A lot of guys that you know can steal a base."

Dick Kaegel is a reporter for MLB.com. Kathleen Gier is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.