October 3, 1999: Astros clinch third consecutive NL Central title

M.L.B. Playoff Races: Houston Astros Clinch Division Title - The New York Times

1999 National League Wild Card tie-breaker game - Wikipedia

Houston Astros: World Series repeat has become more than doubly tough

Big Days in Astros History - Oct. 3, 1999 - Astros clinch 1999 playoffs

October 3, 1999: Win or go home: Mets stay alive for NL wild card – Society for American Baseball Research

Astros' all-time best regular seasons

Astros beat Diamondbacks 8-1 to earn third straight AL West title, National

Astros beat Diamondbacks 8-1 to earn third straight AL West title

Big Days in Astros History - Oct. 3, 1999 - Astros clinch 1999 playoffs

MLB Power Rankings: Dodgers, Orioles and Rays Battle for Positioning Within the Top 5, News, Scores, Highlights, Stats, and Rumors

MLB roundup: Giants top Padres, win NL West title – The Oakland Press