3 of the listed leagues were created in the 90s (MLS, UFC and WNBA), even though they are from the previous century I would categorize them much closer to moder

3 of the listed leagues were created in the 90s (MLS, UFC and WNBA), even though they are from the previous century I would categorize them much closer to modern times. 30 years difference is not that big of a gap. UFC in specific just got real attention in the last 15 years or so