Matt Cooper’s statistical profile

Since entering professional baseball in 2014, Marysville Pilchuck High School graduate Matt Cooper’s strikeout numbers have been off the charts. Here’s his numbers over the past four seasons:

Those strikeout-per-nine-inning numbers — 12.7 this season, 11.8 throughout his minor-league career — are impressive. How much so? For reference, here’s a chart of 2017 qualifying pitchers throughout all of Minor League Baseball ranked by strikeouts per nine:

So through Monday Cooper was ranked sixth among all regular minor-league starters in strikeout rate.