Out of the thirty franchises currently competing in Major League Baseball, there are a handful of teams that have never captured the ultimate championship trophy, a list that includes the San Diego Padres, Colorado Rockies, Milwaukee Brewers, Seattle Mariners, and Tampa Bay Rays. The Seattle Mariners hold a particularly unique distinction in baseball lore as the only franchise in the league to have never even appeared in a World Series, despite putting together historic regular seasons, such as their record-tying 116-win campaign in the year 2001. The San Diego Padres have reached the Fall Classic twice in their history but fell short both times against formidable opponents. The Milwaukee Brewers similarly reached the World Series once during their historic run in 1982 before losing a thrilling seven-game series to the St. Louis Cardinals. The Colorado Rockies reached the pinnacle of the National League in 2007 before being swept in the championship round, and the Tampa Bay Rays made their respective World Series appearances in 2008 and 2020, demonstrating that while these organizations have built competitive rosters capable of deep postseason runs, securing the final championship victory has remained an elusive milestone.