Share 'Grab some popcorn for these'

Perusing the order of play at the Sony Ericcson Open at 10:45 on a Saturday morning (What else would I be doing on a Saturday morning?), three matches in particular caught my eye that would be entertaining to watch. I'm gonna just think of these from a fun standpoint. Yesterday, I flagged some matches I thought could be "tricky" for some, and were they ever, with the underdogs winning all four. T…