MPLX (NYSE:MPLX) reported quarterly earnings of $0.90 per share which missed the analyst consensus estimate of $1.06 by 15.09 percent. This is a 18.18 percent decrease over earnings of $1.10 per share from the same period last year. The company reported quarterly sales of $3.038 billion which missed the analyst consensus estimate of $3.048 billion by 0.32 percent. This is a 2.75 percent decrease over sales of $3.124 billion the same period last year.