On the court, it's San Antonio Spurs vs. Oklahoma City Thunder, starting Sunday, in the Western Conference Finals.
On Playbook Visuals, it's Spurs vs. Thunder, starting now, in a battle of unofficial t-shirts.
Today, OKC. Tomorrow, San Antonio. (And no, we won't include any Seattle-instigating tees here.)
From DNA Galleries:
From Shop Good:
From Thunder Nation:
All images courtesy of the designers. This post has been updated.