He's the Wizard of Os.

Roy Oswalt won his Rangers debut Friday night in Arlington.

The newest Texas pitcher beat Colorado, 4-1.

Oswalt, the former Astro, pitched 6 innings and had 6 strikeouts.

He threw 110 pitches and 81 of them were strikes.

Adrian Beltre and Mike Napoli homered for the Rangers.

Those red-hot Rangers have won seven straight.