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Watch Former NFL Tennessee Titan and Pro-Bowl Receiver Derrick Mason’s Reaction to His 6 Minute Workout

by Quantify Fitness | Last Updated:  December 31, 2016

We had a blast showing Derrick Mason around the gym! And even more fun seeing his reaction to the 10 minute workout – actually 6 minutes and 21 seconds of exercise and 9 minutes of total elapsed time!

Some of our favorite reactions:

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