Carroll, a right-hander who turns 24 on Sept. 24, was 6-5 with a 3.51 ERA in 12 starts and two relief appearances for Sarasota of the Class A Florida State League. He also went 1-1 with a 3.75 ERA for Dayton of the Midwest League, also in Class A.
He tested positive for Human Chorionic Gonadotropin, a hormone produced in pregnancy that is made by the embryo soon after conception. It is used to stimulate ovulation or testosterone production.
Sixty-three suspensions have been issued this year under the minor league program and two under the major league program. Among the players testing positive under the minor league plan, 55 minor leaguers have received bans since July 25, including 39 from the Dominican Summer League and 10 from the Venezuelan Summer League.
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