When Christian Lopez caught Derek Jeter’s historic 3,000th hit on July 9, he most likely thought that he was just being a nice guy by giving it back to the Yankee shortstop. In that moment, Lopez probably didn’t realize that his incredibly selfless gesture could lead to potentially negative tax consequences.

Did Lopez give the ball to Jeter as a gift? That could mean that Lopez made a taxable gift equal to the fair market value of the ball. How much is that ball actually worth? Fair market value is defined as the price a willing buyer would pay a willing seller for the ball. You can buy an official Rawlings MLB baseball on amazon.com for $17.30. Chump change. However, some people are estimating that Lopez could have sold Jeter’s ball for up to $250,000. Now we’re talking