Golf superstar Jordan Spieth brought his 2017 British Open trophy to Dallas Tuesday night -- where he filled it with booze and chugged it onstage at the Randy Rogers concert!!!
Randy and fellow country star Wade Bowen were performing their Hold My Beer & Watch This show at the House of Blues in Dallas when Spieth made a cameo with the Claret Jug.
Everyone took turns swiggin' out of the trophy -- and the crowd went wild!
No word on what was inside ... but it's a safe bet it wasn't water.
Spieth won the British Open last weekend and he's been using his trophy as a cup nonstop.
Hey, it's your trophy ... do whatcha want.
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