Time to beat the Red Sox

Tradesports is betting that the Red Sox win tonight - they give a 60% chance.
Indians vs Red Sox
And there is a bid in for 61.5 that the Red Sox will take the AL pennant:
Indians vs Red Sox
While Cleveland is only at 38.6 - WTF?
Indians vs Red Sox
I don’t get it. They had the exact same season record (which also happened to be the best in all of baseball). Why can you buy Cleveland contracts for only 39?
Easy money, man - I’m loading up. Time to plunge.