alcohol abuse
![](https://a.espncdn.com/media/motion/2014/1008/dm_141008_nfl_matt_prater_redo/dm_141008_nfl_matt_prater_redo.jpg?w=660&r=16%3A9)
Matt Prater: Rehab was 'voluntary'
During his four-game suspension from the NFL for a violation of the league's substance abuse policy, new Detroit Lions kicker Matt Prater spent time at a rehabilitation facility for treatment for his alcohol addiction.