Mariners Talk: Bullpen coach Brian DeLunas' insider perspective

Brian DeLunas, current Mariners bullpen coach and the team's former director of pitching development and strategies, joins Shannon Drayer and Boy Howdy for an in-depth discussion about how teams develop pitching now as well as specifics on M's pitchers like Marco Gonzales, Justus Sheffield and Logan Gilbert. *Note* This is an audio-only version of a video interview. Watch Part 1 here, and part 2 here.