Feel free to answer using any sport although my example comes from baseball. A recent example was the Pittsburgh Pirates and Los Angeles Angels trading (failed) closers, Jason Grilli and Ernesto ...
Team 1 begins by going to Team 2 and offers X for Y. Team 2 counters by saying, I don't think X is as valuable as Y, so I want X and Z for Y. That would be a "two for one." Team 1 says, I don't ...