This dude is strong.
Check out former NFL player Mike Lockley strength training out in Florida ... BY PUSHING A BUS DOWN THE STREET!!
Lockley -- who had a brief stint with the Jags -- is now a strength trainer who works with U.S. Olympic sprinter Justin Gatlin ... and his workout program is intense.
Check out the footage of Lockley not only moving a 28,000 pound bus ... but also pulling a 5,500 pound Chevy Tahoe with a rope WHILE DOING SCISSOR KICKS ON HIS BACK!!!