MPLX (NYSE:MPLX) reported quarterly earnings of $1.10 per share which missed the analyst consensus estimate of $1.12 by 1.79 percent. This is a 12.24 percent increase over earnings of $0.98 per share from the same period last year. The company reported quarterly sales of $3.12 billion which missed the analyst consensus estimate of $3.14 billion by 0.52 percent. This is a 9.77 percent increase over sales of $2.85 billion the same period last year.