The driver, who first broke onto the NASCAR circuit at age 18 and then struggled, wins its biggest prize at the age of 24.
Michael Waltrip Racing drew historic fine, but Chase controversy isn't going away.
Feud has percolated along since the Daytona 500, with Tony Stewart jumping in, too.
Driver heads home for further tests on spinal compression fracture he suffered in crash Sunday.
Driver was injured when his car was nudged by Joey Logano on last lap Sunday.
Hamlin reportedly is alert and awake after last lap crash sparks a fight.