Who is the greatest Summer Olympian of all time? The answer may not be as easy as it seems. But with the London Games almost upon us, we asked anyway.
A panel of 35 ESPN experts ranked 62 athletes using a 0-to-10 scale and we finalized our Top 30 list. On Monday, we take a look at Nos. 30-21.
Go to #SummerGreats to get involved in the discussion or just follow along.
Text provided by ESPN The Magazine senior writer Luke Cyphers.