Pop Off Valve, for IndyCar fans

The day after an emotional and thrilling Bump Day at the Indianapolis Motor Speedway, Pop Off Valve examines the biggest winners and losers of Time Trials for the 2011 Indianapolis 500.

Marco Andretti bumped his way into the 2011 Indy 500 field at the expense of his Andretti Autosport teammate Ryan Hunter-Reay during Bump Day at the Indianapolis Motor Speedway.

There may not be a more dramatic single day in racing than Bump Day at the Indianapolis Motor Speedway, where drivers make a last-gasp attempt to become part of the 100th Anniversary Indianapolis 500 starting field.