The rookie reliever compiled a 2.42 ERA and .186 opponents batting average in 70 relief appearances…led American League rookies and tied for ninth among all AL pitchers in games pitched…fell one short of the Oakland rookie record for games pitched (71, Cook in 2012 and Small in 1997)…his ERA was fifth best in Oakland history by a rookie with 70 or more innings pitched…also ranked second among AL rookies in saves (3), ninth in innings (74.1) and strikeouts (73) and tied for ninth in wins (5)…ranked third among all AL relievers in opponents on-base percentage (.228), tied for sixth in innings and seventh in opponents batting average…the on-base percentage was fifth lowest in Oakland history by a reliever…23 of the 50 hits he allowed were for extra bases (12 doubles, 1 triple, 10 home runs) for a .349 slugging percentage…struck out 73 and walked just 15 for a strikeout-to-walk ratio of 4.87…averaged 1.82 walks per nine innings…allowed 7-of-52 (13.5%) inherited runners to score, which was the third lowest percentage in the AL…ranked second in most inherited runners…first batters faced hit .121 (8-for-66) with two walks (.143 on-base percentage)…the batting average and on-base percentage are fourth lowest by an Oakland pitcher since 1974 and his .355 OPS is seventh best…ranked second in the AL in first batter on-base percentage and OPS, third in batting average and fourth in slugging percentage (.212)…his opponents batting average included a .156 (28-for-179) mark against right-handed hitters compared to .244 (22-for-90) against left-handers…issued 10 of his 15 walks to lefties but surrendered eight of his 10 home runs to righties…has issued 16 of his 21 career walks to lefties…opponents batted .086 with runners in scoring position, which was the lowest mark in the majors and tied for second lowest since 1974 among pitchers with at 70 innings (.068, Jansen LAD, 2013)…has allowed a .100 (8-for-80) average with RISP in his career…opponents were 4-for-41 (.098) with RISP and two outs and 0-for-7 with five strikeouts with the bases loaded…had a .226 opponents batting average with the bases empty, .132 with runners on…seven of the 10 home runs he allowed were solo shots…yielded a .110 batting average with two strikes…the opponents number six hitter was 2-for-23 (.087)…compiled a 1.88 ERA in 35 games at home, 3.00 in 35 outings on the road…had a 1.93 ERA and all three of his saves in 28 day games…posted a 3.11 ERA in 39 appearances on one day of rest or fewer, 1.71 in 31 games with two days rest or more…logged a 1.17 ERA in nine interleague appearances and a 1.19 ERA in the seventh inning…tossed 1217 pitches, which was seventh most by an AL reliever.
Was selected by the A's in the 32nd round of the 2012 draft, began the year at Double-A Midland, made his Triple-A debut at Nashville in late July and his Major League debut during a September call-up with Oakland…went 1-2 with a save and a 4.24 ERA in 13 games with the A's…made his debut Sept. 1 against Los Angeles (AL) and began his career with an eight-game, 11.0-inning scoreless streak… that tied for the sixth longest career-opening scoreless streak in Oakland history…then allowed at least one run in four of his final five games (12.00 ERA)…held the opposition to a .203 batting average but yielded a .441 slugging percentage as six of the 12 hits he allowed were for extra bases…surrendered four home runs in 17.0 innings after yielding just two home runs in 61.0 innings in the minors…his opponents batting average included a mark of .167 (4-for-24) against left-handed hitters compared to .229 (8-for-35) against right-handers…however, issued all six of his walks and yielded three of his four home runs to lefties…had a .594 OPS against righties, .875 against lefties…allowed a .158 batting average with runners on base…first batters faced were 3-for-13 (.231) and he allowed 1-of-3 (33.3%) inherited runners to score…tossed at least one inning in 12 of his 13 appearances, including a season-high 2.0 innings three times…was selected by Oakland Sept. 1 and made his debut that night against Los Angeles (AL) with a scoreless eighth inning…struck out the first batter he faced (C.J. Cron)…allowed a single to the next batter (Aybar) but then retired the next 18 batters he faced through Sept. 12…recorded his first save Sept. 18 at Houston when he tossed 2.0 scoreless innings in the A's 4-3 win…then allowed one home run and at least one run in four of his final five outings…including Sept. 30 when he allowed a run in 1.2 innings for his first ML win in the A's 8-7 victory at Los Angeles (AL).
Spent the entire season at Double-A Midland and was 5-5 with six saves and a 2.88 ERA in 40 relief appearances…struck out 61 batters in 56.1 innings and his average of 9.75 strikeouts per nine innings ranked third among Texas League relievers…had a 6.48 ERA over his first 12 games through May 17…then posted a 1.36 ERA over his final 28 appearances…allowed a .240 opponents batting average, including .187 against right-handed hitters compared to .333 against left-handers…had a .523 OPS against righties, .956 against lefties…yielded a .185 average with runners in scoring positions…allowed 6-of-23 (26.1%) inherited runners to score…was 6-for-9 (66.7%) in save opportunities…logged more than one inning in 21 of his 40 appearances, including two or more 10 times…tossed a season-high 2.2 scoreless innings in the second game of a doubleheader April 15 at Northwest Arkansas…struck out a season-high four batters May 6 at Frisco and May 30 at Tulsa…had a season-best 9.2-inning scoreless streak from June 21 to July 10…compiled a 0.96 ERA in six games in June…then logged a 1.32 ERA in 10 games in July…had three saves over a four-game stretch from July 3 to 12…his other three saves came over his final four appearances beginning Aug. 22…had a win and did not allow a run in five postseason appearances (4.0 ip, 6 h, 2 so) to help Midland to the Texas League Championship
Pitched for three different teams in the A's farm system and combined for a 2-5 record, 19 saves and a 2.40 ERA in 45 relief appearances with Single-A Beloit, Single-A Stockton and Double-A Midland…the saves were a career-high and ranked second among all A's minor leaguers…had just two blown saves for a save percentage of 90.4…struck out a career-high 78 batters in 60.0 innings (11.70 per nine innings) and walked just nine (1.35 per nine innings) for a strikeout-to-walk ratio of 6.67…surrendered three home runs, an average of 0.45 per nine innings…had a .199 opponents batting average, including .177 by right-handed hitters…began the season at Beloit and went 1-1 with 12 saves and a 2.10 ERA in 20 appearances…was named to the Midwest League Midseason All-Star team…converted all 12 of his save opportunities…had a 13-game, 15.2-inning scoreless streak from April 22 to May 31… was promoted to Stockton June 20 and went 1-3 with six saves and a 1.59 ERA in 15 games with the Ports…struck out a season-high seven batters in 3.0 innings July 5 against Modesto…was moved up to Midland July 30 and was 0-1 with a save and a 4.63 ERA in 10 games in his Double-A debut…pitched for Mesa in the Arizona Fall League following the season and went 0-1 with two saves and a 4.91 ERA in 10 appearances.