The Opener: White Sox, NL West, Pearson

Mariners top prospect Colt Emerson debuted on Sunday night against the Padres. A recurrence of Brendan Donovan‘s groin injury opened up a job for the 20-year-old. He’s expected to have a clear path to everyday playing time moving forward. “This period will give him some runway,” GM Justin Hollander said (h/t Daniel Kramer of MLB.com). […]