Hill (groin) will not start Saturday's game against the Astros, Jane Lee of MLB.com reports.
Hill experienced some soreness while throwing off flat ground Friday and ultimately his session was cut short, which led to questions about his availability for Saturday. The A's have since opted to take the cautious route with their ace, pushing him back and penciling Kendall Graveman in as the starter Saturday. Oakland has yet to announce its starter for Sunday, so there's a chance that Hill's next scheduled start will only be pushed back by one day.