With Muller out of the picture , Huff assumed the lead , followed by Michelisz who had recovered from his early to middle stint slower pace .
A lap later , Muller was shown a drive - through penalty for his questionable move on Engstler several laps earlier .
With Muller out of the picture , Huff assumed the lead , followed by Michelisz who had recovered from Muller 's early to middle stint slower pace .
A lap later , Muller was shown a drive - through penalty for his questionable move on Engstler several laps earlier .