Williams, 33, is 0-1, 6.10 (10.1 IP, 16 H, 8 R) in two starts since joining Round Rock. He lost to Iowa in his last outing on July 18. He was scheduled to pitch on Wednesday at Oklahoma City but was held out of that start. He was signed by Texas a free agent on July 11 after being released by Houston three days earlier. Williams was 1-4, 6.04 in 26 relief appearances with the Astros in 2014 before being designated for assignment on July 1. The right-hander is 43-51, 4.45 in 181 games/117 starts with the Giants (2003-05), Cubs (2005-06), Nationals (2007), Angels (2011-13), and Astros (2014) in his major league career.
The Rangers' revised probables for the Oakland series:
Friday: RHP Jerome Williams (1-4, 6.04)
Saturday: RHP Nick Tepesch (3-6, 4.87)
Sunday: RHP Miles Mikolas (1-2, 7.48)