Preds' Ryan Suter Doubtful Tuesday

Standard Spin: Suter is dealing with an upper-body strain, which he suffered Saturday and then aggravated during Monday's game  -  he left after the first period and did not return.  He's day to day for now, and Predators' coach Barry Trotz told reporters that Suter is doubtful for Tuesday's game.  

Suter has has been struggling as of late, with just 1 assist in his last 10 games.  Could this be something that's been bothering for a while that went unreported?  Obviously that's pure speculation, but it might explain the recent drought in production... (Jan.17)