Randy Johnson notches first strikeout as an Astro

Big Unit fastest to 4,000 Ks

Spencer Strider mows down Phillies and Randy Johnson record

Big Unit strikes out 20 against the Reds

Total Command With an unprecedented April in which he was all but unhittable, the Diamondbacks' majestic Randy Johnson made his case for the title of the game's best pitcher - Sports Illustrated

Big Unit notches 4,000th career strikeout

Celebrate Randy Johnson's Hall of Fame induction with 15 of his greatest pitch faces

Randy Johnson Strikeout to Clinch AL West Title in 1995

Craig Biggio, Randy Johnson, Pedro Martinez, John Smoltz headed to HOF - The Globe and Mail

Johnson, Randy Baseball Hall of Fame

Astros Trade for Randy Johnson 20 Years Ago Shows Impact of Rental Players - InsideHook

Randy Johnson – The Writer's Journey

Throwback: Randy Johnson Records 4,000th Career Strikeout In 2004

August 2, 1998: Randy Johnson strikes out 12 in Houston Astros debut – Society for American Baseball Research