Mets top pitching prospect Noah Syndergaard had an uneven 2015 debut with Triple-A Las Vegas, striking out two and allowing seven hits, one walk and three runs (two earned) in four innings as the 51s beat Sacramento, 8-5.

Syndergaard, whose start was delayed by forearm tightness, threw 54 pitches, 37 for strikes. He was on a 60-pitch limit, but made the most of it, getting eight groundball outs, two leading to double plays.

Travis Ishikawa singled with two outs in the first and advanced to second on an error by centerfielder Kyle Johnson. Adam Duvall drove home Ishikawa to give Sacramento a 1-0 lead.

In the third, Darren Ford singled on a soft ground ball to short and Ronny Cedeno singled on a soft fly ball to right. Ishikawa walked to load the bases and Duvall hit a single to tie the score, 2-2, for Sacramento. With the bases still loaded, Syndergaard got Jarrett Parker to ground into a double play, scoring a run, and then struck out Brandon Hicks.

Las Vegas (3-2) rallied for two runs to go ahead for good in the fourth and scored three more times in the fifth.

Rightfielder Travis Taijeron was 2-for-3 with a home run, first baseman Eric Campbell was 3-for-5 with a home run and shortstop Matt Reynolds was 2-for-4 with a triple and a walk.

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Elsewhere in the minors:

DOUBLE-A BINGHAMTON (3-1)

The game was postponed by rain.

SINGLE-A ADVANCED ST. LUCIE (3-2)

Righthander Rob Whalen struck out one and allowed eight hits, two runs and one walk in six innings, taking the loss as the Mets fell, 2-1, to Brevard County. Whalen got seven groundballs, two double plays and picked off two runners.

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SINGLE-A SAVANNAH (2-3)

First baseman Jon Leroux was 2-for-2 with a double, a walk and three RBIs as the Sand Gnats beat Rome, 5-2.

ON TAP TONIGHT

Long Island native Steven Matz makes his second Triple-A start at 10:05 p.m.