Seattle Mariners With the
AZL Mariners in 2006, Adcock went 0–2 with a 3.31 ERA in 10 games (three starts). In 2007, he went 3–11 with a 4.58 ERA in 22 games (21 starts) for the
Wisconsin Timber Rattlers and
High Desert Mavericks. He pitched for Wisconsin again in 2008, going 2–5 with a 3.72 ERA in 15 games (14 starts), striking out 82 batters in 77 1/3 innings. He began the 2009 season with High Desert.
Pittsburgh Pirates On July 29, 2009, he was traded with
Ronny Cedeño,
Jeff Clement, Aaron Pribanic, and Brett Lorin to the
Pittsburgh Pirates in exchange for
Ian Snell and
Jack Wilson.
Kansas City Royals On December 9, 2010, Adcock was selected by the
Kansas City Royals in the
Rule 5 Draft.
Arizona Diamondbacks On June 13, 2013, the
Arizona Diamondbacks claimed Adcock off of
waivers and assigned him to the
Reno Aces of the
Triple–A Pacific Coast League. On July 31, he was removed from the 40–man roster and sent outright to Triple–A Reno.
Texas Rangers On December 5, 2013, Adcock signed a minor league contract with the
Texas Rangers. He had his contract selected to the major league roster on July 24. He was sent outright to Triple-A on August 14, and again on October 31, before electing free agency on the same day.
Cincinnati Reds On December 23, 2014, Adcock signed a minor league contract with the
Cincinnati Reds. On July 31, 2015, it was discovered by doctors that Adcock sustained a tear in his
ulnar collateral ligament and would need
Tommy John surgery, ending his season.
Baltimore Orioles On February 29, 2016, Adcock signed a minor league contract with the
Baltimore Orioles. Adcock did not appear for the Orioles organization as he continued his recovery from surgery, and elected free agency on November 6, 2017. ==Post-playing career==