RELATED: Central Valley In-N-Out gets special surprise from Raiders QB Derek Carr
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Our sister station Action News was told the gathering was a birthday party for Derek's second son, Decker.
The guest list included NFL star receiver and newly named Oakland Raider Antonio Brown, as well as brother Darren Carr, who is head coach at Bakersfield Christian High School.
RELATED: Brown dealt to Raiders; agent says it's 'great fit'
The crew had some laughs over a little friendly competition on a series of inflatable obstacle courses.
Darren shared a video with Action News on Twitter showing him race head-to-head with Antonio, while Derek acted as the referee.
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Derek Carr later teased on his Instagram when he and David will get statues made up at Bulldog Stadium.
FULL VIDEO: Derek Carr returns to Fresno with big-name guest list for his son's birthday
Derek Carr returns to Bulldog Stadium to celebrate son's birthday with NFL guest
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