OAKLAND -- Scooter Gennett and Kirk Nieuwenhuis homered to back Junior Guerra's first victory in more than a month, and the Milwaukee Brewers earned a split of their quick two-game interleague series against the Oakland Athletics with a 4-2 win Wednesday.
Gennett connected on a two-run shot in the fifth and Nieuwenhuis in the eighth.
Guerra (4-1) struck out eight over seven innings while facing the A's for the first time in his career. Milwaukee improved to 8-2 in games when he starts, but he won for the first time in six outings since beating the Cubs on May 19.
Martin Maldonado had five hits for the season coming into Wednesday's game, then added three more.
Coco Crisp homered in the fourth then made an error in left field the following inning that helped set up Milwaukee's first run.
Ramon Flores hit a one-out double in the fifth then advanced to third on Crisp's off throw.
Ryan Braun had a single and three strikeouts as the Brewers concluded a 2-7 road trip all in California - through San Francisco, Los Angeles and back to the Bay Area to face the A's - with just their 13th road victory in 36 games.
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Guerra allowed two runs and five hits with one walk. The right-hander was the first acquisition by new general manager David Stearns when claimed off waivers from the White Sox last Oct. 7.
Tyler Thornburg finished for his second save.
A's starter Daniel Mengden (0-3) struck out nine in his third career start but is still seeking his first major league win. The right-hander was promoted to the majors on June 11 after only 43 appearances and 34 starts over three seasons in the minor leagues.
He allowed seven hits and three runs with one walk over six innings.
With Crisp's miscue in left, Oakland committed its 10th error over the last nine games and 13th in 15.
