Watch Don Zimmer learn he needs a newfangled Flex Pack to enter the Trop

Don Zimmer has spent more than six decades in professional baseball, and he's seen plenty of technological advances along the way: chartered airplanes, electronic scoreboards and even replay review. 

But the notion that a traditional paper ticket is no longer the only way to enter Tropicana Field left the Rays senior baseball advisor slightly flummoxed.

Watch the video above to see Zimmer's full reaction upon learning about Tampa Bay's new Flex Pack. Then enter Zimmer's code here and cash in $10 before heading to the ballpark.