David Alexander, owner of DBC Training in Miami, Florida, is the personal trainer of several popular athletes, including Cleveland Cavaliers superstar LeBron James and Dwyane Wade of the Chicago Bulls.

On Wednesday, Alexander received a surprise gift from one of his favorite clients, Cavs big man, Tristan Thompson.

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For his efforts throughout Cleveland’s championship winning season last year, Thompson sent an autographed jersey with an appreciative message written on the numbers to Alexander for helping him “get that big”.

An appreciative Alexander posted a photo of the jersey on Instagram with the following statement:

“Another piece of Art for the DBC walls! One of my favorite athletes I’ve gotten to train for the simple fact he would bust his ass every time he came in! Appreciate you my brother.”