Answer:
Since it is the supreme Court that has given this decision, there is nothing much an individual congressman can do alone or even a president.
However, since anti trust laws do not cover those which are not trade or Commerce in nature, a congressman can propose to inact new laws that cover Sports related economic activities. Or they can pass a new law to include the sports related financials in the anti trust laws. But this could change the structure and the purpose of anti trust laws.
Explanation: