Hader aims to maintain dominance for Double-A Biloxi

Here’s a look at top prospects to watch on Monday in Minor League action:

Hitter to watch: Rob Refsnyder (Yankees’ No. 9) Refsnyder is finally starting to heat up after a slow start at Triple-A Scranton/Wilkes-Barre, lifting his average to .292 after sitting near .200 for much of the season. Refsnyder, who homered twice Sunday in a 3-for-4 performance, also has been playing some outfield — the position he played in college — to enhance his versatility and could soon find himself with the Yankees. The Railriders face Louisville at 7:05 p.m. ET on MiLB.TV.

Pitcher to watch: Josh Hader (Brewers’ No. 4) Hader, MLBPipeline.com’s No. 57 overall prospect, hasn’t allowed more than one earned run in any outing this season, entering Monday with a microscopic 1.04 ERA and a .198 average against in seven starts. The tall lefty — he stands 6-foot-3 — also has fanned 46 in 34 2/3 innings. Double-A Biloxi takes on Chattanooga at 7:15 p.m. ET.

Duel of the day: Mark Appel (Phillies’ No. 4) vs. Austin Voth (Nationals’ No. 9) Appel continues to impress in his first season in the Phillies organization, proving that a change of scenery …

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