Bryce Miller's historic MLB debut & why his fastball is elite.

The other day, Mariners top pitching prospect Bryce Miller made his MLB debut in Oakland against the A's and set a Mariners franchise record. Also, his fastball was regarded as being arguably the best in all of the minor leagues before he was called up- turns out it may be one of the best in MLB as well.From 5/5/23- https://youtube.com/live/BbZcQsiIM4UHelp me grow my channel, make sure to Subscribe if you are new!The Couch GM Shop & Social Medias: https://linktr.ee/thecouchgmpnwFor business inquiries: [email protected]*Player Profile Series* - https://youtube.com/playlist?list=PL-Fr2S07xb8Nv7lIsFSktoRlrcITakomR#mariners #mlb #baseball #couchgm #mariners #seattle #seattlesports #couchgm #baseball #mlb #mlb2023 #mlbbaseball #seausrise #homerun #strikeout #walk #RBI #julio #JROD #sports #american #pitching #pitcher #catcher #firstbase #secondbase #thirdbase #baseballfans #base #ball #homeplate #umpire #bat #throw #catch #swing #field #game