rick, two leaders, martin truex jr, that lap was a second faster than the field. those front two cars have just unbelievable speed. and it's funny -- >> oh around comes 17. ricky stenhouse jr hard into the inside wall. a lot of damage to the front end. >> damage done. >> we keep talking about restarts. we saw the shot a little while ago from aj allmendinger -- sorry, from kurt busch's helmet how difficult it is on the restarts. you just have to be aggressive. it is a time you have to push. and everybody is pushing. these things happen. >> we saw dale earnhardt jr.'s incident happen on restart. >> stenhouse jr climbs out of the car. >> hit that inside safer barrier. take another look. >> side by side with jimmie johnson. you see he lost the bottom. jimmie johnson on the outside. just so difficult to maintain that speed with somebody outside of you. aerodynamically all this air is pulled off your car. >>. [ inaudible ] >> hey, fwies, guys, when i loo that, reminiscent, and he lost that side rear. jeff, you can talk about this, when a car squeezes you like jimmie was,