Daulton Compton Jefferies was originally signed by A's scout Jermaine Clark…graduated from Buhach Colony (Atwater, Ca.) HS in 2013…attended the University of California where he finished 15-13 with a 2.72 ERA in 37 games, 36 starts, in three seasons with the Bears…went 7-0 with a 1.08 ERA as a junior in 2016 but made just eight starts due to calf and shoulder injuries…was First Team All-Pac 12 as a sophomore.
2019
Combined for a 2-2 record and a 3.42 ERA in 26 games, including 15 starts, with Single-A Stockton and Double-A Midland in his first full season following 2017 "Tommy John" surgery…struck out 93 batters in 79.0 innings, an average of 10.59 per nine innings…walked just 11 (1.25 per nine innings) for a strikeout-to-walk ratio of 10.3…was named the A's Organizational Pitcher of the Year…saw limited duty when he pitched, as he tossed exactly 3.0 innings in 24 of his 26 appearances…logged 3.1 innings and 3.2 innings in his other two outings…averaged 45.2 pitches per game…began the year with the Ports and was 1-0 with a 2.40 ERA in five games, three starts, when he was promoted to the RockHounds April 29…went 1-2 with a 3.66 ERA in 21 games, 12 starts, in his Double-A debut…combined with both clubs for a .242 opponents batting average, including .213 (31-for-145) against left-handed hitters compared to .268 (42-for-157) against right-handers…surrendered five of his eight home runs and issued seven of his nine walks to lefties…issued just one walk to batters leading off an inning…compiled a 2.48 ERA in 19 games at night compared to a 6.00 ERA in seven day games…was 0-1 with a 2.36 ERA in his 15 starting assignments compared to 2-1 with a 4.86 ERA in 11 relief appearances…walked one batter or fewer in 25 of his 26 appearances…was rated as the A's number four prospect by Baseball America following the season.
MINORS: Was credited with the first win of his professional career on Opening Day when he tossed 3.0 scoreless innings of relief on April 4 against Rancho Cucamonga…pitched 3.0 scoreless innings in each of his final two appearances with Stockton on April 19 against Modesto and April 25 at Visalia…was promoted to Midland on April 29 and did not walk a batter in his first eight games (24.2 ip)…allowed five runs over his first three outings through May 12 (9.0 ip, 5.00 ERA)… then was tagged with the first loss of his career in a start on May 17 at Corpus Christi when he allowed one unearned run in 3.0 innings in the RockHounds 1-0 loss…that began a five-game stretch from May 17 to June 7 where he allowed just three runs, two earned, in 15.2 innings (1.15 ERA)…tossed a season-high 3.2 innings June 7 against Frisco…also struck out a career-high six batters, his first of four six-strikeout games in 2019…allowed season-highs in runs (5) and hits (6) June 13 at Springfield but then allowed one earned run in each of his next five appearances (3.00 ERA)…logged a season-high 66 pitches in 3.0 innings June 18 against Springfield…matched his season-highs by yielding five runs on six hits July 14 against Corpus Christi…then tossed 3.0 scoreless innings in back-to-back outings on July 19 at Tulsa and July 25 against Arkansas to begin a season-ending stretch where he posted a 2.50 ERA over his final six appearances…walked two batters July 25 against Arkansas, his first career outing with more than one walk…allowed two runs in 3.0 innings of relief Aug. 15 at Amarillo for his second win…went on the injured list the next day with a right pectoral muscle strain and missed the remainder of the season.
