The final grand slam event for tennis, the U.S. Open, begins Monday

NPR's A Martinez talks with Jon Wertheim of "Sports Illustrated" about the start of the U.S. Open tennis tournament.

The final grand slam event for tennis, the U.S. Open, begins Monday

The final grand slam event for tennis, the U.S. Open, begins Monday

The final grand slam event for tennis, the U.S. Open, begins Monday

The final grand slam event for tennis, the U.S. Open, begins Monday

The final grand slam event for tennis, the U.S. Open, begins Monday