Q&Gray: Four big questions for American Express, Abu Dhabi

The focus of the golf world is split this week, with the PGA Tour returning to the mainland U.S. while the European Tour holds a Rolex Series event in the Middle East. Some stars are in California for the American Express, while plenty of others have made the trek to the Abu Dhabi HSBC Championship. One thing’s certain – there is plenty of desert golf to go around.

Here are four questions to ponder for this week’s action, ranging from the health of the world No. 1 to a new tournament host and some possible major prognosticating:

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