Randy Johnson notches first strikeout as an Astro

Big Unit reaches 4,500 strikeout milestone

Power-Ranking Randy Johnson vs. Reds and Every 20-Strikeout Game in MLB History, News, Scores, Highlights, Stats, and Rumors

Randy Johnson notches first strikeout as an Astro

1999 Arizona Diamondbacks: 'Big Unit', the best free agent signing ever?

Big Unit fans 16 in shutout of Pirates

Randy Johnson wins the N.L. Cy Young Award despite five fewer wins than runner-up Mike Hampton - This Day In Baseball

Forgotten Astros: Randy Johnson - Overtime Heroics

Twenty years ago, the Astros' trade for Randy Johnson showed the possibilities — and costs — of rental players - The Athletic

5/18/04: Randy Johnson's Perfect Game

Big Unit notches 4,000th career strikeout