Encyclopedia of Opinion
Question
What is the least successful major North American sports franchise of all time?
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The Seattle Mariners are the least successful franchise of all time

There have been a plethora of issues with the Seattle Mariners over their franchise history, especially within the context of the wider MLB. Seattle is a strong candidate for the worst of the worst.

Supporting arguments · 2

  1. The Mariners have remarkably little post-season success
    The Mariners have markedly less playoff experience and subsequent success than the rest of the entire MLB, which shows just how bad the franchise has been throughout its history.
  2. The Mariners have never had a stable identity
    Ever since the construction of the famed Kingdome in Seattle, the Mariners have been tossed between almost moving cities and completely demolishing the basis for their franchise. Identity is essential for the success of a baseball team, which is what the Mariners do not possess.