Clayton Walter Holmes..Is a 2011 graduate of Slocomb (AL) High School, where he helped lead the baseball team to a runner-up finish in the Class 3A playoffs as a senior... Went 11-5 for Slocomb as a junior while also recording 126 strikeouts...Was ranked as the 76th-best pitching prospect and 140th best overall prospect by Baseball America entering the 2011 draft...Was committed to play baseball at Auburn University before signing with the Pirates...Carried a 4.0 grade point average and was Slocomb's class valedictorian while also being recognized by the Alabama Baseball Coaches Association as its Student Athlete-of-the-Year in 2011...Spent three years playing on Slocomb's varsity basketball team, where he averaged a doubledouble in both his junior and senior seasons...His brother, Jacob, played junior college baseball at Enterprise State College...Signed by Pirates scout Darren Mazeroski.
Spent entire season with Triple-A Indianapolis... Was tied for first in wins among all pitchers in Pittsburgh's minor league system...Allowed two runs or less in 18 of his 24 starts... Surrendered just one home run in his first 12 starts thru 6/10 and a total of four the entire season...Made his lone relief appearance (second career) on 5/30 vs. Lehigh Valley (1.0ip/0r)...Posted a 3-0 record and a 2.97 ERA (30.1ip/10er) in six appearances during the month of May...Had a 1.89 ERA (19.0ip/4er) and held opposing batters to a .186 average in four starts in July...Finished the regular season winning each of his last three decisions... Surrendered a season-high six runs in his playoff starts on 9/6 at Durham (4.0ip/7h/6r/6er/4bb/3so).
Entered season ranked by MLB.com as Pittsburgh's 15th-best prospect (was ranked 19th by Baseball America) ...Spent entire season with Double-A Altoona and established career highs in innings pitched, strikeouts and wins...Finished tied for fifth among all Pirates minor leaguers in wins and tied for fourth in starts...Also tied for fifth in the Eastern League in wins and fifth in walks; led the league in hit by pitches ...Posted the highest ground ball to at bat ratio (2.94) in all of full season baseball and second-highest in all of baseball behind Anthony Castro of the short-season GCL Tigers West (3.29 ground ball/at bat ratio)...Was charged with six runs in 4.0 innings while suffering the loss in his Double-A debut on 4/8 vs. Harrisburg; also went 0-for-2 with a strikeout in his first career game at the plate...Doubled at Harrisburg on 4/19 for first career hit...Earned first win after allowing one run over 6.0 innings on 4/24 vs. Richmond ...Allowed a season-high seven runs (six earned runs) in loss on 4/30 at Akron...Won seven straight decisions from 5/5 to 7/7...Tossed a career-high 7.0 innings while allowing three runs on three solo homers in win on 5/28 at Bowie...Allowed seven runs in 4.1 innings but came away with a no-decision on 6/11 at Reading...Struck out a season-high tying nine batters over 6.0 scoreless innings in a no-decision on 6/16 vs. New Hampshire...Matched season high with nine strikeouts while tossing 7.0 innings in win on 7/2 vs. Bowie...Won his seventh straight decision on 7/7 at Akron after being charged with two runs in 6.0 innings...Went 5-5 with a 3.03 ERA (74.1ip/25er) in final 14 starts from 6/16 to 9/2...Started Game Two of the Eastern League Division Series on 9/8 vs. Akron and recorded the club's only win of the postseason after allowing one run on four hits in 5.2 innings of work...Went 1-for-20 with a double at the plate.
Went 1-2 with a 2.48 ERA (36.1ip/10er) and 26 strikeouts in nine combined starts between the GCL Pirates and High-A Bradenton...Began season on the disabled list recovering from "Tommy John" surgery from 2014...Began a rehab assignment with the GCL Pirates on 6/23...Tossed 5.0 scoreless innings while earning the win in final rehab appearance with the GCL Pirates on 7/4...Was reinstated from the disabled list on 7/7 and assigned to Bradenton...Tossed 5.0 scoreless innings while coming away with a no-decision in his debut with the Marauders on 7/10 at Daytona...Made final start on 8/15 before being placed on the D.L. on 8/26 with right shoulder tendinitis.
Missed the entire season recovering from "Tommy John" surgery performed on 3/19.
Entered the season ranked as Pittsburgh's 10th-best prospect by Baseball America...Spent entire season with Single-A West Virginia...Went 3-1 with a 3.20 ERA (59.0ip/21er) in the second half of the season after going 2-5 with a 4.95 ERA (60.0ip/33er) in the first half...Earned first win with 5.1 scoreless innings of work on 4/15 at Greenville...Made 11 appearances (10 starts) from 6/12 to 8/10 without being charged with a loss... Worked 5.0 scoreless innings and earned the win in his only career relief appearance on 7/10 at Kannapolis...Struck out a career-high 10 batters on 7/25 at Lexington.
Spent first professional season with State College of the New York-Penn League...Allowed an earned run in just one of his first seven starts while producing a 0.80 ERA (33.2ip/3er)...Gave up three hits over 5.0 scoreless innings while earning the win in his professional debut on 6/22 vs. Mahoning Valley...Allowed four runs (three earned) on 7/2 vs. Batavia before not allowing a run in his next four starts (20.0ip) from 7/8-25...Went 2-1 with a 1.14 ERA (23.2ip/3er) in five starts during the month of July.