Sidney's No. 1 fan
Feel free to come up with your own captions in the comments — but let's keep it (relatively) high-brow.
Thanks to a long-time reader for dropping this in my email inbox.
UPDATE I'm fairly certain this photo is not photoshopped, as the fan sign has been the subject of discussions around the 'net for a few weeks, including mentions from ESPN's Page 2 and Boston Herald blogger Michael Connelly.