Would you care to edit THIS statement, too?

Question

"The Americans (4-0) may have been a little edgy when they got off the bus, but as they boarded it a few hours later, any nervousness had been replaced by smiles, laughter and a sense of relief."

It may sound okay if you are accustomed to listening to sloppy English, but give it a shot. See if you can polish this "t**d" of a sentence.

Answer 1

"The Americans (4-0) may have been a little edgy when they got off the bus, but as they boarded it a few hours later, they replaced any anxiety with smiles, laughter and a sense of relief."  

Answer 2

Period after bus. Eliminate but and then it's fine.

Answer 3

What does (4-0) mean?

"The Americans may have been a little edgy as they got off the bus, but when they boarded it (again?) a few hours, any nervousness had been replaced by smiles, laughter, and a sense of relief."

Answer 4

"The Americans (4-0), may have been a little edgy when they got off the bus.But as they boarded it a few hours later, all of the nervousness had been replaced by smiles, laughter and a sense of relief."

Answer 5

The Americans (4-0) may have been a little edgy when they got off the bus, but as they boarded it a few hours later, their nervousness had been replaced by smiles, laughter, and a sense of relief.