When I was in Lansing last week I managed to take a video of both Michael Crouse and Jake Marisnick stealing second base.  The video is at the link at the bottom of the page, get your stopwatches out.  I haven't timed them, low four seconds is good.

Here is a frame from the video showing Michael Crouse stealing:

 

And here is Jake Marisnick:

 

And the video is at this link for Vimeo.  You can click through the videos to see various Blue Jay prospects such as Deck McGuire; Asher Wojciechowski; Aaron Sanchez; and Noah Syndergaard.