Always knew Rolston had a hard shot...

...and today in practice it caught Rick DiPietro is "the crosshairs", near his temple.

Rick will be evaluated by a doctor later today.

Arthur Staple has more: http://www.newsday.com/sports/hockey/islanders/isles-files-1.812028

DiPietro has had a series of concussions in his career, starting with his ill-fated collision with Steve Begin in 2007.

Forever1940 is the nom de plume of Eric Hornick, statistician on Islander home telecasts since 1982. Visit my blog: NYISkinny.com and follow me on Twitter @ehornick