Here's a recent article on the continued epidemic of hamstring issues in the NFL
The interesting thing is that everyone says they did all the right things but, I'm not so sure?
Athletes need to be able to bridge, do slideboard leg curls ( with correct technique), and progress to things like glute hams.
Here are three articles and a video to get you started.
Dealing With Hamstring Injury - Michael Boyle
A Guide To Handling Hamstring Injuries for the Coach- Boo Schexnayder
Training to Prevent Hamstring Injury- Kevin Carr
Looking for more? Just search the word hamstring and click "headlines" in the drop down box.