3/10/17: MLB.com Extras | Arizona Diamondbacks - a podcast by MLB.com

from 2021-01-31T22:10:42.023393

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Is there cause for concern that Zack Greinke's velocity has been down so far in his Spring Training starts? MLB.com's Anthony Castrovince and Diamondbacks reporter Steve Gilbert discuss why the team needs a bounce back season from their ace and why Taijuan Walker has had good results with a new delivery in camp.