Selected by the Orioles in the first round of the 2012 First-Year Player Draft out of Louisiana State University, the third Orioles' first-round pick out of LSU (Mike Fontenot, No. 19 in 2001 and Ben McDonald, No. 1 in 1989)…Signed by scout Dave Jennings…Graduated from Grandview HS (Centennial, CO)…Named a two-time All-State selection, two-time Perfect Game High School All-American, 2009 Under Armour All-American, 2009 AFLAC All-American, and gold medal winner with the USA Baseball Junior National Team…Also drafted by the Los Angeles Dodgers in the sixth round of the 2010 First-Year Player Draft, but did not sign…Following flooding across Louisiana in 2016, worked with other former LSU baseball players to campaign to raise money for the Baton Rouge Area Foundation's Louisiana Flood Relief Fund...Married, wife's name is Taylor...The Gasumans launched "Tails with Tales" in 2017, a collaboration between the Orioles and the Baltimore Animal Rescue and Care Shelter, Inc. (BARCS), that pairs adoptable animals with school children as 'reading buddies' in an effort to provide companionship to animals while promoting reading comprehension and vocabulary development among youth…Participated in the 2017 BARCS Pet Calendar.
Prior to the 2018 season, changed his number to No. 34 to honor the late Roy Halladay, his childhood hero and fellow Coloradan...Made a team-leading 34 starts, his 34 starts were a career high and were tied with Chris Archer for the most in the majors...Ejected for the first time in his career on 5/3 at BOS after hitting Xander Bogaerts...Made 18 starts against AL East opponents, finishing with a 7-5 record and a 3.24 ERA (36 ER/100.0 IP), 43 walks and 87 strikeouts...The Orioles went 11-7 in his 18 starts against the division...From 7/19 through the end of the season, went 6-5 with a 2.70 ERA (26 ER/86.2 IP) with 91 strikeouts in 14 starts...His 2.70 ERA was the seventh-lowest in the majors during that stretch...Five of his seven scoreless outings were during the stretch...Went 4-0 in six starts in the month of July, his four wins were tied for second-most in the AL in July...Had 45 strikeouts in the month of July to rank seventh in the AL...Had four-straight Quality Starts from 7/19-8/4...In those starts, had a 0.65 ERA (2 ER/27.2 IP) with nine walks and 32 strikeouts...Had nine starts in which he struck out eight-or-more batters...Went 5-2 with a 1.19 ERA (8 ER/60.1 IP) with a 0.96 WHIP and eight of the nine starts were Quality Starts...Made 17 starts at home and went 4-5 with a 4.61 ERA (49 ER/95.2 IP), 38 walks and 102 strikeouts...Opponents averaged .271 (102-for-377) with 18 home runs at Oriole Park...Made 17 road starts and went 7-7 with a 4.75 ERA (48 ER/91.0 IP), 33 walks and 77 strikeouts...Won three-straight road decisions (8/14-9/13)...Opponents hit .295 (106-for-359) with 11 home runs on the road...Opponents hit .492 (31-for-63) with five home runs on a 0-0 count...Lead-off hitters averaged a lineup-high .359 (33-for-92) with two home runs...Had a 6.35 ERA (24 ER/34.0 IP) in the first inning...The 24 runs were an inning-high and the most in any inning in his career...Issued a career-high 71 walks and walked a season-high six batters on 6/11 at NYY to tie his career-high.
Began the season on the 15-day disabled list with a right shoulder strain (retroactive to 3/25)...Made three rehab starts between Class A-Advanced Frederick, Double-A Bowie, and Triple-A Norfolk, combining to post a 3.27 ERA (4 ER/11.0 IP)... Made a career-high 30 starts and logged a career-high 174 strikeouts...Led the club with a career-high 18 Quality Starts... Among qualifying AL starting pitchers, ranked 12th in strikeouts per 9.0 IP (8.72)... Posted a career-high, fve-game winning streak (8 18-9 14), in which he went 5-0 with a 1.59 ERA (7 ER/39.2 IP), 40 strikeouts, and fve Quality Starts in six outings during that span...Did not surrender a run over three straight outings (19.0 IP) from 8/23-9/3... Logged a career-high fve straight Quality Starts (8/23-9/14), going 4-0 with a 0.82 ERA (3 ER/33.0 IP) and 32 strikeouts in that span...His 0.82 ERA from 8/23-9/14 was the second-lowest mark among qualifying pitchers (min. 20.2 IP) in the majors (lowest among qualifying AL pitchers)... Went 5-7 with a 3.31 ERA (34 ER/92.1 IP) and 84 strikeouts in 15 starts (nine Quality Starts) against the AL East...Did not surrender a run over three straight outings (21.0 IP) against AL East opponents from 8/28-9/14, going 3-0 with 23 strikeouts and three Quality Starts in that span...Received 82 runs of support in his 30 starts (4.11 run support average)...Received one run or less of support in 12 of 30 starts... Went 6-2 with a 2.67 ERA (23 ER/77.2 IP) in 12 home starts (eight Quality Starts) and opponents batted .235/.282/.389 against him at home...Went 3-10 with a 4.32 ERA (49 ER/102.0 IP) and 109 strikeouts in 18 road starts (10 Quality Starts) ...On 9/3 vs. NYY, tossed 6.0 scoreless innings in a 2-0 win...He also threw 7.0 scoreless innings on 8/28 at NYY...According to the Elias Sports Bureau, the last pitcher to start against the Yankees and not allow a run in two straight appearances was Oakland's RHP Scott Sanderson in May 1990...Improved his record to 1-5 and Tampa Bay's RHP Matt Andriese fell to 6-1 in the Orioles' 5-0 win over the Rays in Game 1 of a doubleheader on 6/25...According to the Elias Sports Bureau, it marked just the third time in Major League history that a starting pitcher who entered the game 0-5 or worse defeated a starter who had been 5-0 or better...On 5/10/1879, RHP Harry McCormick (0-5) of the Syracuse Stars defeated RHP Will White (5-0) of the Cincinnati Reds...On 7/15/1954, in Game 1 of a doubleheader, RHP Bob Buhl (0-7) of the Milwaukee Braves defeated RHP Bob Milliken (5-0) of the Brooklyn Dodgers... With his win on 6/25, against Tampa Bay in Game 1 of a doubleheader, he snapped a streak of 12 consecutive starts (4/25-6/20) in which he did not earn a win as a starter, going 0-5 with a 4.37 ERA (33 ER/68.0 IP) and six Quality Starts in those 12 outings... Did not factor in the decision over fve straight outings from 4/30-5/21, posting a 2.84 ERA (10 ER/31.2 IP) with four Quality Starts in that span...His ERA in that stretch ranked 12th among qualifying American League pitchers (minimum 19.0 IP)... Started on 10/2 at NYY and earned the win after allowing just two earned run over 7.1 innings as the Orioles clinched an appearance in the 2016 AL Wild Card Game
Recorded a career-high 103 strikeouts, his first Major League season with at least 100 strikeouts • Struck out a career-high 10 batters over a career-high 8.0 innings on 9/30 vs. TOR (G2)...The 10 strikeouts matched an Orioles season-high (also, RHP Miguel Gonzalez, 4/14 vs. NYY) • Struck out a career-high 10 batters over a career-high 8.0 innings of work on 9/30 (G2) vs. TOR (W, 8.0 IP, 5 H, 1 ER, 10 K, 1 HR) • Surpassed the 100-pitch threshold for a career-high four consecutive outings, 8/12-28 • Went 3-2 with a 4.39 ERA (26 ER/53.1 IP) in 14 outings (eight starts) against the AL East • Allowed 12 runs (including five home runs) in the first inning, the most runs he surrendered among any other inning • Went 3-1 with a 2.19 ERA (13 ER/53.1 IP) in 11 appearances (eight starts) at home...Posted a Quality Start in seven of his eight home starts, going 3-1 with a 1.97 ERA (11 ER/50.1 IP) and holding opponents to a .205 batting average in those eight outings • Went 1-6 with a 6.10 ERA (40 ER/59.0 IP) in 14 road games (nine starts) • With his win on 8/1 vs. DET, snapped a streak of 12 consecutive starts (8/22/14-7/27/15) in which he did not earn a win as a starter, going 0-5 with a 3.65 ERA (28 ER/69.0 IP) and four Quality Starts in those 12 outings • As a starter, went 3-7 with a 4.22 ERA (47 ER/100.1 IP) over 17 starts (eight Quality Starts)...In those 17 outings, he posted a 8.07 strikeout per 9.0 IP ratio (90 K/100.1 IP), while averaging 16.6 pitches per inning • As a reliever, went 1-0 with a 4.50 ERA (6 ER/12.0 IP) in eight appearances out of the bullpen...He recorded 13 strikeouts and held opponents to a .239 batting average in those outings...Last made an appearance as a reliever on 5/6 at NYM (1.0 IP, 2 K) • From 6/20-10/4, finished second among Orioles pitchers in strikeouts (90), and he led all Orioles starting pitchers in strikeout- to-walk ratio (3.75), strikeouts per batter faced (.215), and strikeouts per 9.0 IP (8.07) • Did not factor in the decision over six consecutive starts (9/6/14-7/2/15), posting a 2.04 ERA (8 ER/35.1 IP), while holding opponents to a .226 batting average in those games • Went 0-2 with a 2.82 ERA (7 ER/22.1 IP) in six minor league starts this season between Class A-Advanced Frederick, Double-A Bowie, and Triple-A Norfolk (including rehab)...Last started for the Tides on 7/17 at Charlotte (ND, 6.0 IP, 6 H, 2 ER, 8 K) • Was placed on the 15-day disabled list with right shoulder tendinitis on 5/8...Made three Major League rehab starts between Class A-Advanced Frederick and Double-A Bowie, going 0-1 with a 5.40 ERA (5 ER/8.1 IP) and 10 strikeouts.
Had six stints with the O's this season, May 14-15, June 6-20 and 27, July 6-7 and 12-August 27, and September 1-end of the season. Allowed three earned runs or fewer in 16 of his 20 starts for the O's, posting nine Quality Starts.
Posted a 3.18 ERA (51.0IP, 18ER) in nine road starts and a 3.90 ERA (62.1IP, 27ER) in 11 home starts. His road ERA was the second-best road mark among AL rookies (min. 8 GS). Earned his first win of the season, June 7 vs. OAK. Recorded rain-shortened 5.0-inning complete game, July 13 vs. NYY. Tossed career-high 7.1 innings, September 1 vs. MIN. Struck out career-high 7 batters on ve occasions, including three starts in a row (September 1-12). His streak of three straight starts with at least 7.0IP and 7K was the longest by an Oriole since August 10-21, 2007, when Erik Bedard did it. Made 11 starts for Triple-A Norfolk and went 1-3 with a 3.32 ERA (43.1IP, 16ER). Placed on the minor league DL, May 2, retroactive to April 30, with left intercostal strain. Did not allow an earned run from April 20 until the fifth inning of his start on May 20 with Norfolk, a span of 18.1 innings. Made three postseason appearances, all in relief, pitching to a 1.13 ERA (8.0IP, ER) with seven strikeouts.
Had three stints with the Orioles; May 23-June 13, June 24-July 9 and August 28-end of the season... Went 0-3 with a 7.66 ERA (24.2IP, 21ER) in five starts and 3-2 with a 3.52 ERA (23.0IP, 9ER) in 15 relief appearances (11.3K/9 out of pen)... Made ML debut, May 23 @TOR (L, 5.0IP, 7H, 4ER, 2BB, 5K, HR) Recorded first ML strikeout in the 1st inning, punching out Edwin Encarnacion... Tossed career-high 6.0IP, June 2 vs. DET... Struck out career-high 6, June 8 @TB... Collected first career win (4.1 relief IP), June 28 vs. NYY... Struck out career relief-high five in 2.0 scoreless IP, September 18 @BOS... Posted a 2.35 ERA (7.2IP, 2ER, BB, 13K) in his final seven relief appearances, September 13-28... Posted a combined 3.51 ERA (82.0IP, 32ER) and 82 strikeouts in 16 games (15 GS) with Triple-A Norfolk (8G/7GS) and Double-A Bowie (8GS)... Named the O's #2 prospect by Baseball America following the season... Named a top 100 overall prospect in baseball by Baseball Prospectus (10), ESPN.com (23) and MLB.com (31)
Signed in July and made his pro debut with Class-A Aberdeen, tossing 6.0 scoreless innings over two outings (H, 5K) ... Made three starts for Class-A Frederick (0-1, 6.00 ERA, 9.0IP, 10H, 6ER, BB, 8K) ... Held right-handed hitters to a .160/.192/.320 line in 25 at-bats against with the Keys ... Tossed 3.0 scoreless in his start in Game 3 of 1st Round of the Eastern League Playoffs, September 7 vs. Akron (2H, 5K) ... Enters 2013 as the Orioles' #2 ranked prospect by Baseball America