On June 3, 2008 — Randy Johnson moves into second place on the all-time major league strikeout leaderboard. He strikes out 8 in 6 1/3 innings, most importantly getting Mike Cameron in the 1st to pass Roger Clemens for second place with 4,673. The 44-year-old “Big Unit” trails only Nolan Ryan but will not catch him.

Source
Baseball Reference June 3