I performed a in-depth analysis on MLB team logos, and organized
National Football League - Wikipedia
Which league has the BEST primary logos? (Ranking EVERY One)
NHL logo rankings No. 7: Boston Bruins - The Hockey News
Ranking the Premier League Club Badges
Top 10 Iconic Sports League Logos & Their Evolution
Opening Day 2016 MLB Team Logo Power Rankings – SportsLogos.Net News
Ranking the best and worst NFL logos, from 1 to 32
Ranking the best and worst NFL logos, from 1 to 32
Ben's Best: The top logos in Minor League Baseball