Oct.13 (GMM) Jenson Button is expecting Red Bull to play championship games on Sunday.
But with Vettel now just 4 points behind championship leader Fernando Alonso, and two places ahead of the Spaniard on the grid, McLaren's Button senses Webber has an important spoiling role to play.
"I don't think he (Webber) will, do you?" McLaren team boss Martin Whitmarsh told reporters in the McLaren hospitality area in Korea.
"I do," nodded Button.
Whitmarsh replied: "Well, I don't think he will willingly."