Hector Velazquez / Sonny Gray
Hector Velazquez, who was signed out of the Mexican League exactly three months ago, will make his major league debut in Oakland. In five starts for Pawtucket, Velazquez, a 28-year-old right-hander, has a 1.55 ERA.
You can find Velazquez's PawSox game log here. In each start, he pitched a little deeper than the start before: 4.2 innings, 5.0, 6.0, 6.1, 7.0. He has allowed five earned runs in those starts, but three of them came in his first start. Since then, he has an 0.74 ERA (two earned runs in 24.