The quiet, young Rockies pitching prospect wasn't boasting, just telling it like it is. Asked how hard he throws his fastball, Jairo (pronounced High-row) Diaz said he hurls it "97 or 98. Sometimes I go to 100."
By Patrick SaundersThe Denver Post, Denver Post
Wed, 02/25/2015 - 11:39pm
The quiet, young Rockies pitching prospect wasn't boasting, just telling it like it is. Asked how hard he throws his fastball, Jairo (pronounced High-row) Diaz said he hurls it "97 or 98. Sometimes I go to 100."