Ryan becomes first pitcher to reach 4,000 career strikeouts
3,000 Strikeout Club
Has anyone hit a homerun off of Randy Johnson and Nolan Ryan in their careers? - Quora
Will anyone ever beat Nolan Ryan's career strike out record? - Quora
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Astros' Justin Verlander joins 3,000-strikeout club
Ryan becomes first pitcher to reach 4,000 career strikeouts
Yankees' Gerrit Cole on his most memorable career strikeouts
Yankees Pin Hopes On Gerrit Cole While He Aims For 4,000ks
Big Unit fastest to 4,000 Ks
Big Days in Astros History - July 11, 1985 - Nolan Ryan gets 4000th strikeout
This day in sports: Nolan Ryan records 4,000th strikeout - Los Angeles Times
Nolan Ryan was a monster! #NolanRyan #MLB #Baseball #Sports #Strikeout
Nolan Ryan – The Writer's Journey
Big Days in Astros History - July 11, 1985 - Nolan Ryan gets 4000th strikeout