Seattle Mariners Dave Sims has been the play by play voice of the Mariners since 2007 but came to Seattle with a huge resume doing everything from play by play National game of the week on ESPN to hosting on Radio in the #1 Market in the country. We cover his career. covering baseball during the covid-19 2020 60 game sprint season to the Black lives matter movement and African American players making up only 7% of the MLB Rosters. Oh and by the way, if you want to become a broadcaster Dave has some advice to don’t want to miss!