"I'll do whatever it takes to win games," Kobe says in the ad, which you can find in this week's Sports Illustrated. "I don't leave anything in the chamber." That Nike, always on the cutting edge. Full ad below.
The AP helpfully explains the reference: "The chamber in a gun is the compartment that holds the bullet before it is fired," it clarifies for those readers who have never listened to rap music in their lives.
Scans courtesy Josh L.