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They joined at the end of the season in 1997 but didn't play until 1998.

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โˆ™ 2009-05-14 01:16:03
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Q: When did the Arizona Diamondbacks join Major League Baseball?
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When did the Arizona Diamondbacks team start?

The Arizona Diamondbacks came into Major League Baseball in 1998.

What year did Arizona Diamondbacks enter MLB?

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