Tyler Matzek vs. Fernando Valenzuela — Career Comparison

Fernando Valenzuela built a career as a starting pitcher and Tyler Matzek as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Tyler Matzek led in home run suppression (HR9+ 186 vs 110), run prevention (ERA+ 123 vs 95), and strikeout rate (K%+ 95 vs 79). Fernando Valenzuela held the edge in walk avoidance (BB%+ 80 vs 78). Role difference aside, Tyler Matzek holds a clear edge on every meaningful shared measure.