San Francisco's Alex Cobb (back) scratched on Friday, John Brebbia to start

San Francisco Giants pitcher Alex Cobb (back) will not start in Friday's game against the Miami Marlins.

What It Means:

Cobb has been scratched with a back injury. John Brebbia will take the mound in a bullpen game against a Miami lineup with a projected 0.313 expected weighted on-base average per Rotogrinders' Plate IQ.

Through 21.2 innings this season, Brebbia has accounted for a 3.59 expected Fielding Independent Pitching rating and a 23.3% K-rate.