Randy Johnson - Wikipedia
July 20, 1999: Randy Johnson returns to Seattle, throws first shutout in Safeco Field history – Society for American Baseball Research
Alexander: Be afraid of these Astros, Dodger fans, be very afraid – Orange County Register
WHAT IF: no Verlander trade/no Randy Johnson trade. - The Crawfish Boxes
Mariners Extra: Looking back on Jerry Dipoto's memorable trade-deadline deals
Really big deal: The Astros' trade for Randy Johnson, 20 years later
The Randy Johnson Trades, Part 1: Trading Away Mark Langston – Northwest Sports Desk
This Day in Transaction History: Astros deal Curt Schilling to Phillies - NBC Sports
Pedro Martinez, Randy Johnson, John Smoltz have Hall of Fame careers after trade
The Long Shadow of the Randy Johnson Trade