Rightfielder Eric Campbell finished a triple shy of the cycle and the Mets' minor-league middle infielders continued their strong offensive output as Triple-A Las Vegas beat Sacramento, 12-8, on Tuesday.

The 51s (23-10, 1st place in Pacific Coast League Pacific Southern) exploded for eight runs in the third inning to take the lead for good.

Second baseman Danny Muno was 3-for-5 with two doubles, three RBIs and two runs scored, and shortstop Matt Reynolds went 2-for-5 with a run scored and a stolen base. Reynolds is batting .310 with a .375 on-base percentage and .476 slugging percentage. Of his 39 hits, 16 have gone for extra bases, including 13 doubles. Muno has a .342 OBP with eight walks and only 10 strikeouts in 69 at-bats. He's had five multi-hit games in the 15 games since his demotion from the majors at the end of April, but Tuesday was Muno's first three-hit game of the season.

Campbell (3-for-4, a walk, two runs, three RBIs) singled to lead off the second inning, doubled home the first two runs in the third and hit a solo homer to left-center with two outs in the sixth.

Elsewhere in the minors

DOUBLE-A BINGHAMTON

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(19-13, 2nd place in Eastern League Eastern)

Third baseman Josh Rodriguez was 1-for-4 with a home run, and leftfielder Jayce Boyd went 3-for-4 with two doubles as the Mets beat Richmond, 4-1.

SINGLE-A ADVANCED ST. LUCIE

(14-18, 5th place in Florida State League South)

In a big night for former first-round draft picks, first baseman Dominic Smith (2013) was 3-for-5 with a double, three runs and four RBIs, and leftfielder Michael Conforto (2014) went 2-for-5 with a double and two runs as the Mets trounced Tampa, 12-6.

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SINGLE-A SAVANNAH

(12-19, 7th place in South Atlantic League Southern)

Leftfielder Patrick Biondi was 2-for-4 with a double, and catcher Tomas Nido went 2-for-3 with a walk, but the Sand Gnats fell to Hickory, 9-5.