Munoz was promoted to Triple-A El Paso on Tuesday, Dennis Lin of The Athletic reports.
The 20-year-old recorded a 1.72 ERA in 15.2 innings for Double-A Amarillo, striking out an incredible 45.7 percent of opposing hitters and touching 104 mph with his fastball. His 15.7 percent walk rate is certainly a concern, but the good has certainly outweighed the bad to this point in his career.
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