Omaha pitchers are having trouble with the long ball.
Entering Sunday’s contest with first-place Iowa at Werner Park, the Storm Chasers had allowed at least one home run in 15 consecutive games. The staff’s last homer-free game came April 18.
The Cubs extended the streak to 16, hitting six of them in their 8-1 victory over Omaha (13-17). Six players homered for Iowa (20-10), which lengthened its winning string to six.
Former Chasers outfielder Donnie Dewees started the onslaught by hitting the first of three homers off reliever Zach Lovvorn (1-1) in the third inning. Ian Happ led off the fourth with a solo shot on the first pitch from Lovvorn. Johhny Field added a two-run blast in the fifth that pushed the advantage to 4-1.
Addison Russell and Phillip Evans then homered on back-to-back pitches from Andres Machado in the seventh. One out later, Dixon Machado launched his second home run in as many days for the Cubs.
Omaha, meanwhile, couldn’t get an extra-base hit. The Chasers had seven singles off winning pitcher Matt Swarmer (3-3) and three relievers. Their past 20 hits have been singles, including every hit in the series.
Elier Hernandez drove in Omaha’s lone run Sunday, which put it up 1-0, with a single in the second.
The PCL Northern Division rivals wrap up their four-game series at 11:05 a.m. Monday at Werner Park.
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April 21, 1969: Galen Cisco, left, and Jack McKeon of the Omaha Royals.
Aug. 27, 1969: The Omaha Royals' first manager, Jack McKeon, celebrates. McKeon led the Chasers to back-to-back American Association titles in the franchise's first two years. McKeon would eventually lead the Florida Marlins to a World Series in 2003.
April 18, 1970: Former Nebraska coach Bob Devaney throws out the season's first pitch at the Omaha Royals game at Rosenblatt Stadium.
May 31, 1970: Paul Splitteroff at Rosenblatt Stadium.
1970: Omaha's Juan Rios slides home safely behind Wichita catcher Ken Suarez, as Omaha's Steve McMillan looks on at Rosenblatt Stadium.
Jan. 21, 1971: Former major league infielder Loren Babe, left, with Omaha Royals manager Jack McKeon.
An Omaha Royals team photo from 1970 and other minutia collected from the remains of Rosenblatt Stadium. The photo was taken June 8, 2012.
1972: Steve Busby, Omaha Royals pitcher.
April 12, 1972: Jack McKeon at Rosenblatt Stadium.
April 6, 1973: Frank White poses for a photo at Rosenblatt Stadium.
1973: Future Baseball Hall of Fame member George Brett poses for a photo at Rosenblatt Stadium.
June 29, 1977: Clint Hurdle at Rosenblatt Stadium.
April 2, 1979: Jim Bayly sweeps snow 11 days before the season opener at Rosenblatt.
1980: Omaha Royals pitcher Eddie Bane.
July 7, 1980: Steve Busby delivers a pitch.
April 4, 1992: Jeff Conine poses for a photo.
1982: Bombo Rivera, Omaha Royals.
May 19, 1983: Omaha Royals General Manager Bill Gorman poses for a photo in front of Rosenblatt Stadium.
1984: The San Diego chicken mascot entertains fans at Rosenblatt.
1984: Gene Lamont, Omaha Royals manager.
1985: Rob Crain, assistant general manager of the Storm Chasers, with team autographed baseballs from the 1985 Royals baseball team.
April 17, 1985: David Cone sports an Omaha Royals hat and a Kansas City Royals jacket at Rosenblatt Stadium.
April 26, 1985: City employee Terry Cuevas spreads mixture of solvent and gasoline on the infield at Rosenblatt Stadium as part of an effort to dry the field enough to cover it with a tarp. The tarp wasn't laid on the field the two previous nights and got soaked in an overnight rainfall. The Omaha Royals were unable to play the game scheduled with the Iowa Cubs.
June 29, 1985: Guitarist Michael Woods of the rock band "America," which played at Rosenblatt Stadium following the Omaha Royals game with the Oklahoma 89ers.
May 10, 1985: Fans in the crowd seek autographs from Kansas City players.
Aug. 8, 1986: Gus Cherry, Mayor Mike Boyle and Jack Diesing break ground for the Stadium Club at Rosenblatt Stadium.
May 28, 1988: Organist Lambert Bartak at Rosenblatt Stadium.
May 5, 1989: CBS pro football analyst John Madden tries on an Omaha Royals cap.
Aug. 16, 1990: Omaha Royals manager Sal Rende gets a face full of cake from first baseman Russ Morman after winning the league title.
Sept. 5, 1991: Construction takes place at Rosenblatt Stadium.
1991: The final signing of the ownership papers for the Omaha Royals. Seated from left: John Boyer, Bill Gorman, Joe Adams, Mary Ann Luby. Standing from left, Rob Knight, Bill Ulrich, Jim Hildreth and Lary Wzorek. Boyer is the attorney for Walter Scott who bought a major share in the team. Gorman is the Royals' GM.
April 16, 1991: The day before the Royals open, Richard Sovereign of Sovereign Painting adds a coat of blue to the patio concession stand.
May 17, 1993: Workmen for JB Construction hurry to finish the new parking lots by Rosenblatt along 13th Street.
April 1993: Warren Buffett throws out first pitch for the Omaha Royals home opener at Rosenblatt stadium.
March 17, 1992: James Huettner welds handicap ramps.
March 13, 1992: Pictured is the South side of Rosenblatt Stadium.
April 16, 1992: The Goodrich family, from left, Nate, Barbara, Ben, Chris, 12 and Paul enjoy a game.
May 25, 1993: Rance Ristau, 3, looks like he had a good time finishing off his cotton candy during an Omaha Royals afternoon game at Rosenblatt Stadium. But Rance, son of Dan and Cynthia Ristau, saw the Royals drop an 8-5 decision to Nashville.
April 3, 1993: Scott Knight puts down new cinders in left field in front of new scoreboard.
Aug. 2, 1994: Aerial view of Rosenblatt Stadium from a helicopter.
May 25, 1994: Grounds crew removes a tarp after a rain delay.
April 29, 1995: Warren Buffett throws out the first pitch.
April 4, 1996: Warren Buffett throws out another first pitch.
May 4, 1996: Warren Buffett greets fans at an Omaha Royals game.
1999: The Omaha Royals unveil a new nickname for the team, the Golden Spikes, which is worn by mascot Casey.
June 9, 1998: Omaha's Mendy Lopez and Calgary's Lou Frazier watch the ball sale by on Frazier's successful steal of second base.
1998: Omaha Royals shortstop Felix Martinez, who was sent down from Kansas City in the aftermath of brawl with Anaheim, sits on the bench.
1998: Omaha Royals infielder Scott Leius plays at Rosenblatt with his son Michael, 2.
1998: Warren Buffett prepares to throw out the first pitch.
1998: Omaha Royals right fielder Chris Hatcher is greeted at the dugout after hitting a grand slam.
1998: Jermaine Dye, Omaha Royals.
1998: Albuquerque's David Steed is out at second base by Omaha's Steve Sisco.
Aug. 30, 1998: Mayor Hal Daub swings a mock sledge hammer at a golden spike that is held by the Omaha Royals' mascot, Casey, launching the teams new name, the Golden Spikes. The Lincoln Sport Parachute Club jumped into the stadium carrying a banner with the new name on it.
1999: Casey sports the new Golden Spikes uniform.
1999: Omaha Spikes' Sal Fasano, right, is congratulated by Ron Johnson after hitting a home run.
1999: Omaha manager Ron Johnson dines on food at home plate of Rosenblatt Stadium.
1999: Front left, Bart Thomsen, and Rick English, back left, Mike Bischof, Kent Therkelsen, Lance Beasley pose for a photo.
Sept. 6, 1999: Omaha Golden Spikes manager Ron Johnson wears a Nebraska football helmet while coaching third base.
Sept. 6, 1999: Golden Spikes pitcher Scott Mullen delivers.
1999: Manager Ron Johnson, front, talks about practice routine to players at Golden Spikes media day at Rosenblatt Stadium.
The 1999 Omaha Golden Spikes. Top to bottom, left to right, Carlos Mendez, Henry Mercedes, Alvin Morman, Jimmie Byington, Jed Hansen, Mark Quinn, Ray Holbert, Dario Veras, Mendy Lopez.
1999: Omaha's Jimmie Byington turns a double play on Albuquerque.
1999: The Omaha Golden Spikes work out at Rosenblatt Stadium. Left, Mendy Lopez, and right, Henry Mercedes.