Justin Warren Dunn…resides in Lauderhill, FL…graduated from The Gunnery (CT)…selected by Los Angeles-NL in the 37th round of the 2013 Draft but did not sign… played 3 seasons at Boston College, where he was third-team All-America (Baseball America) in 2016...while at BC, the late Pete Frates was the program's Director of Baseball Operations…selected by the Mets with the 19th overall pick in the 2016 Draft.
Went 4-1 with a 4.34 ERA (22 ER, 45.2 IP) in 10 starts with Seattle…limited opponents to a .189 (31x164) with 31 walks and 38 strikeouts...Earned first Major League win on Aug. 10 at Texas, allowing two runs on seven hits while walking three and striking out two in 6.0 innings...Tossed at least 5.0 innings in 6 of his 10 starts, including 5 of his final 6 starts of the season (8/23-9/26)…tossed a season-high 6.0 innings in 4 times: Aug. 10 at TEX (6.0,7,2,2,3,2), Aug. 23 vs. TEX (6.0,1,0,0,1,6), Aug. 30 at LAA (6.0,1,0,0,4,6) and Sept. 6 vs. TEX (6.0,4,2,2,4,4,2HR)...Went 2-0 with a 1.00 ERA (2 ER, 18.0 IP) over three starts, Aug. 23-Sept. 6…during this stretch limited opponents to a .102 (6x59) average, while walking nine and striking out 16...Became the first Mariners pitcher in club history to record back-to-back outings of at least 6.0 innings pitched and one hit or fewer allowed…among pitchers age 24 or younger, this feat has only been accomplished three other times in a single season since the inception of the franchise in 1977: Dennis Eckersley (5/30 – 6/3/1977), Marvin Freeman (9/21 – 9/26/1986) and Barry Zito (7/29 – 8 /4/2001)…the last pitcher of any age to accomplish this feat was Trevor Bauer (3/30 – 4/4/2019)…Dunn worked 6.0 innings and allowed one hit on Aug. 23 vs. the Rangers before tossing 6.0 innings of one-hit ball on Aug. 30 at the Angels...Limited opponents to a .189 (31x164) average against…among pitchers with at least 45.0 innings pitched this season, his .189 average against is 5thbest in the American League, trailing only Shane Bieber-CLE (.167), Kenta Maeda-MIN (.168), Lucas Giolito-CWS (.184) and Cristian Javier-HOU (.188)...Logged four starts this season in which he has worked at least 6.0 innings while allowing two runs or fewer: Aug. 10 at Texas, Aug. 23 vs. Texas, Aug. 30 at Los Angeles-AL and Sept. 6 vs. TEX... His 31 walks were 3rd-most in the Major Leagues…of his 31 free passes, 12 came in the 1st inning…only seven of his 31 walks came around to score...Recorded four quality starts, ranking T2nd in the Majors among rookie pitchers (also: Jesús Luzardo-OAK, Sixto Sánchez-MIA and José Urquidy-HOU)…he trailed only teammate Justus Sheffield (6) in quality starts by a rookie starter in 2020...Went 2-1 with a 2.81 ERA (5 ER, 16.0 IP) in three starts at T-Mobile Park…was 2-0 with a 5.16 ERA (17 ER, 29.2 IP) in seven road starts.
Posted a 2.70 ERA (2 ER, 6.2 IP) in 4 starts with the Mariners...Debuted against CIN on Sept. 12 at T-Mobile Park…allowed 2 runs on 5 walks in 0.2 IP...Each of his starts were planned to be short outings…worked 2.0 innings in each of his last 3 starts...- Selected from Double-A Arkansas on September 10...Spent the season with AA Arkansas, going 9-5 with a 3.55 ERA (52 ER, 131.2 IP) with 158 strikeouts and 39 walks in 25 starts...Named a Mid-Season and Post-Season Texas League All-Star...Led the Texas League in wins (9), strikeouts (158) and WHIP (1.19)…was 2nd in opponents average (.236), T3rd in starts (25), 4th in ERA (3.55) and 4th in innings (131.2 IP)...Set minor league career-highs in wins, starts and strikeouts...Selected to the AL Futures Game roster…struck out 1 in 1.0 scoreless inning.
Named the Mets Sterling Organizational Pitcher of the Year…after the season, ranked as the club's 4th-best (MLB.com) and 5th-best prospect (Baseball America)…split the season with High-A St. Lucie and Double-A Binghamton, going 8-8, 3.59 (54 ER, 135.1 IP) with 156 strikeouts and 52 walks in 24 starts…promoted to Binghamton on June 10.
In 20 games (16 starts) with High-A St. Lucie, struck out 75 in 95.1 innings.
Made pro debut with Short-Season-A Brooklyn, where he posted a 1.50 ERA (5 ER, 30.0 IP).