Son of Maria and James Yacabonis. His grandfather played professional baseball in Cuba...Attended Christian Brothers Academy in New Jersey where he played basketball and baseball and posted the lowest ERA on the squad during his junior year and led the club to their state championship. Had the highest GPA on the Christian Brothers baseball team all 4 years of his career...Attended Saint Joseph's University where he majored in natural sciences. Earned Second Team All-Atlantic 10 and All-Philadelphia Baseball Big 5 honors after shattering the school record for saves in a season (10). In his final year, he posted a 1-2 record with a 2.02 earned run average in 35.2 innings over 26 appearances.
Split the season between Norfolk (AAA) and BAL, making his 1st-career Opening Day roster...Went 0-1 with a 7.04 ERA (6 ER, 7.2 IP) in 4 starts, with the big league club, going 2-2 in his starts…pitched to a 1-1 record with a 6.75 ERA (25 ER, 33.1 IP) in 25 relief outings...Made 3 separate stints with the Orioles throughout the season, appearing in 17 games with NOR and posting a 6.80 ERA (31 ER, 41.0 IP)...Gave up a career-high 9 HR while also posting a careerhigh .307 opponent AVG...His 9 appearances finished ranked 6th among Norfolk pitchers.
Made the start on 9/30 vs. HOU and was part of the 41st one-hitter (eighth combined one- hitter) in Orioles history (4.0 IP, 1 H, 2 BB, 1 K)... Had seven stints with the Major League club, including three as the 26th man for a doubleheader...Appeared in five of the O's six doubleheaders on the season...Was the only Orioles starter with a team winning percentage in his starts (minimum two starts)...Eight of his 12 appearances came against AL East opponents, including five of his seven starts...In six appearances (three starts) after his recall on 9/3, he posted a 2.61 ERA (6 ER/20.2 IP)...Allowed just one earned run over his final three outings (all starts), spanning 11.1 innings (0.79 ERA)... Held opponents to a .190 batting average (8-for-42) in 48 plate appearances with runners in scoring position (5 BB, 1 HBP)...Posted a 1.80 ERA (3 ER/15.0 IP) in innings one and two, limiting opponents to a .132 average (7-for-53) in those two frames, as opposed to posting a 7.92 ERA (22 ER/25.0 IP) in innings three through seven...Held right-handed batters to a .220 (20-for-91) batting average...Made 20 starts for Triple-A Norfolk, going 3-4 with a 3.93 ERA (32 ER/73.1 IP).
Spent most of the season with Triple-A Norfolk around three stints with the Major League club...Made 14 appearances for the Orioles, going 2-0 with a 4.35 ERA (10 ER/20.2 IP)...Went 4-0 with 11 saves and a 1.32 ERA (9 ER/61.1 IP) and 48 strikeouts in 41 games with the Tides this season...While with Norfolk, held hitters to a .144 average...Posted a 1.36 ERA (6 ER/39.2 IP) in 28 appearances prior to the Triple-A All-Star break...Named an International League Mid-Season All-Star and a 2017 Organizational All-Star by MiLB.com...Threw 16.2 scoreless innings in his first 13 appearances this season with Triple-A Norfolk...Had his contract selected on 6/11 and made his Major League debut that day at NYY, working 1.0 inning, allowing four runs on two hits with two walks and a strikeout...Struck out Chris Carter to lead off the bottom of the seventh inning, the first batter faced in his Major League debut...Recalled from Triple-A Norfolk on 9/1 when the rosters expanded...Earned his first career win on 9/1 vs. TOR after tossing 1.0 scoreless inning with a walk...Earned his second win in his next game on 9/3 vs. TOR, tossing 2.0 innings with one walk and one strikeout...Entered 2017 ranked as the No. 22 Orioles prospect, according to Baseball America.
Began the season with Class A-Advanced Frederick...Posted an eight-game scoreless streak (8.1 IP) from 5/1-25, his final eight appearances with the Keys before being promoted to Double-A Bowie...Debuted with the Baysox on 5/31 and remained there for the rest of the season...Did not surrender a run over 11 consecutive relief appearances (14.2 IP) with 14 strikeouts from 7/6-8/1...Pitching for the Baysox, held right-handed hitters to a .202 batting average (20-for-99)...In 15 home games with Bowie, went 1-2 with two saves, a 0.92 ERA (2 ER/19.2 IP), and 21 strikeouts...Following the season, posted an 8.53 ERA (12 ER/12.2 IP) with 13 strikeouts in 12 games for the Peoria Javelinas of the Arizona Fall League.
Led the Carolina League with nine holds and ranked first among qualifying CL relievers with a 9.48 strikeout per 9.0 IP ratio...Struck out a season-high five batters on 5/20 at Myrtle Beach (1.2 IP)...18 of his 43 appearances with Frederick were multi-strikeout games...Made 20 outings in which he worked more than an inning, including four games with at least 3.0 innings of relief...Logged a six-game scoreless streak (9.2 IP) from 7/11-25...Posted a 2.48 ERA (8 ER/29.0 IP) in 22 home games.
Began the season without allowing a run in his first 19 appearances (24.0 IP)...Named a South Atlantic League Mid- Season All-Star...Finished third in the SAL with 14 saves, despite being promoted at the All-Star break...All three runs allowed with Class-A Delmarva came on 6/10, his only loss with the Shorebirds (0.1 IP, 2 H, 3 ER, 2 BB)...Held right-handed hitters to a .100 clip (5-for-50)...With Delmarva, held opponents to a .037 batting average (1-for-27) with RISP.
Converted his first professional save opportunity on 6/27, tossing 2.1 innings with two strikeouts...Earned his first professional win on 7/17, tossing 2.0 perfect innings and striking out four of six batters faced...Named a New York-Penn League Mid-Season All-Star.