D-backs make seven picks on Day 1 of MLB Draft
Arizona Diamondbacks draft history: First round picks
2019 MLB draft -- Picks and analysis - ESPN
Blake Walston, LHP, Arizona Diamondbacks
Arizona Diamondbacks select North Carolina prep LHP Blake Walston
NC State 2019 Signee Blake Walston Drafted 26th Overall by Arizona
List of Arizona Diamondbacks first-round draft picks - Wikipedia
MLB Draft recap: Oregon State's Rutschman goes No. 1; two UM
2019 MaxPreps Medium Schools All-American Baseball Team
New Hanover's Blake Walston named Gatorade North Carolina Baseball
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Top Prospects: Blake Walston, 03/12/2021
All of the Arizona Diamondbacks' picks in the 2019 MLB Draft