Arizona Diamondbacks

The Arizona Diamondbacks entered Major League Baseball in 1998 as an expansion franchise, the brainchild of managing general partner Jerry Colangelo, who had already brought the NBA's Suns to prominence in Phoenix. Colangelo's vision was audacious: rather than endure the slow rebuild typical of expansion teams, he would spend aggressively to compete immediately. The strategy was embodied by the signing of ace pitcher Randy Johnson before the 1999 season.

Johnson's arrival, combined with the acquisition of Curt Schilling in 2000, gave Arizona the most fearsome one-two pitching punch in baseball. In 2001, just their fourth year of existence, the Diamondbacks stormed to 92 wins and into the postseason. What followed was one of the greatest World Series ever played - a seven-game classic against the three-time defending champion New York Yankees. Luis Gonzalez's walk-off bloop single off Mariano Rivera in Game 7 delivered Arizona its first championship, one of the most stunning upsets in baseball history.

The championship window closed quickly as the franchise dealt with the financial hangover of its aggressive spending. But the 2001 title remains one of the most remarkable achievements in modern baseball - proof that with the right combination of boldness and talent, even a franchise in its infancy can reach the summit.

The post-championship years brought a harsh reality check for the Diamondbacks. The aggressive spending that built a champion had also created significant financial strain, and the franchise pivoted toward developing young talent. Randy Johnson was traded to the Yankees after the 2004 season, symbolically closing the championship era.

Under new ownership led by Ken Kendrick and a front office that embraced scouting and player development, the Diamondbacks began cultivating homegrown talent. The 2007 season delivered a surprising NL West title behind young stars like Brandon Webb, who won the Cy Young Award the previous year, Justin Upton, and Chris Young. Arizona swept the Cubs in the NLDS before falling to the Rockies in the NLCS.

The rebuild had its valleys - a 65-97 record in 2004 and struggles with consistency - but the organization proved it could develop talent from within rather than relying solely on free-agent spending. The desert was learning patience.

The 2010s were a decade of whiplash for the Diamondbacks. The 2011 team, managed by Kirk Gibson, won 94 games and the NL West behind Paul Goldschmidt's breakout season, only to be eliminated in the NLDS by the Brewers. Goldschmidt became the face of the franchise - a consistently excellent first baseman who finished in the top three of MVP voting multiple times.

The franchise struggled to build a sustainable winner around Goldschmidt, however. Front office turnover and uneven roster construction led to alternating years of contention and disappointment. The 2017 team won 93 games and reached the NLDS with a roster featuring Goldschmidt, Zack Greinke, and Robbie Ray, but a blowout loss to the Dodgers in the deciding game ended the run abruptly.

The Goldschmidt era ended with his trade to St. Louis after the 2018 season, and the franchise entered another transitional phase. The pattern of the 2010s - bursts of excitement followed by retreats - left fans hungry for the kind of sustained excellence that had eluded the franchise since 2001.