Photo: Reddit/nigsignoodles Photo: Reddit/nigsignoodles Image 1 of / 33 Caption Close Spurs head coach Gregg Popovich reportedly tipped waiter $5,000 on Memphis dinner 1 / 33 Back to Gallery Though the Spurs lost two games during their recent trip to Memphis, it looks like the setback did not affect Spurs head coach Gregg Popovich's sense of generosity.