Roger Penske tired of coming up short in IndyCar title race

Helio Castroneves will have to protect his points lead in a doubleheader at Houston this weekend.
Brian Cleary/Getty Images

Copyright 2014 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.

SI Apps
We've Got Apps Too
Get expert analysis, unrivaled access, and the award-winning storytelling only SI can provide—from Peter King, Tom Verducci, Lee Jenkins, Andy Staples, Grant Wahl, and more—delivered straight to you, along with up-to-the-minute news and live scores.