For some unknown reason, Topps deemed Chris Coghlan to be variation-worthy. Anthony Rizzo got a sparkle card in Series One; him on the list makes sense. But Chris Coghlan? Is the Cubs roster that depleted that the next best player Topps could come up with is Chris Coghlan? By the way, that is a rhetorical question...I don't need anyone's smart-mouth answer!
The sparkle was added to his helmet, which was already sparkling from the reflection of the sun/lights.
Here's the two versions side-by-side...
...and a close-up of the sparkle.
And with this card, Update is wrapped up.
Base cards = 9
Base variations = 2
Inserts = 3