Vin Diesel 'Can Even Put Into Words' How Proud He Is Of John Cena

Vin Diesel is blown away by former WWE Champion, John Cena.

In an Instagram video shot on John Cena's final day on the set of Fast 9, Vin heaped praise onto the legendary WWE star and what he's contributed to the box office franchise, "Week 16, Fast Nine. And it truly is a bittersweet moment, because someone who I've had the great pleasure of working with, John Cena, is finally filming his last day. And I have to tell you, world, when you see him in this movie, when you see his character come to life, you will be blown away," said Vin, who has also worked with The Rock and Ronda Rousey. "You are going to be ecstatic about what he's contributed to this saga. I'm so, so, so, so, so, so proud of him. I can't even put into words John Cena's last day."

As for John's role in the movie, the WWE great remains tight-lipped but promises you can see him in Fast 9 when it hits theaters, "I know all of you out there asking questions. What do you do? Why are you here? What can we expect? To many of those [questions], I have one thing to say, you are in for a wild ride. I can tell you that."

John Cena last appeared on WWE TV at Raw Reunion earlier this year.

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