Isaac Mattson #47

Isaac Gerald Mattson...Wife’s name is Devin...Has one son; Theodore Oakley, born this past Feb. 26...Has four sisters and three brothers...Is a 2014 graduate of Harbor Creek (Pa.) High School, where he played baseball and basketball...Went 6-0 with a 0.67 ERA and batted .531 during his senior season...Played baseball at the University of Pittsburgh...Pitched with the Chatham Anglers in the Cape Cod League in 2016 and was named an All-Star...Pitched with the Washington Wild Things in 2022.

2024

Went 7-2 with four saves, a 3.17 ERA (71.0ip/29r/25er) and 89 strikeouts in 37 Minor League games (three starts) between Altoona and Indianapolis...Was named Indy’s’ Pitcher-of-the-Year after going 5-1 with a 3.15 ERA (60ip/21er) and 76 strikeouts in 29 games (three starts)…Began the season with Altoona, where he went 2-1 with a save and a 3.27 ERA (11ip/4er) in eight relief appearances thru 5/4...Picked up wins in each of his first two appearances on 4/5 at Akron and 4/9 vs. Harrisburg...Earned his lone save with Altoona on 4/18 at Bowie...Suffered a blown save in the eighth inning and gave up a walk-off home run while suffering his lone Double-A loss on 5/1 at Harrisburg...Was promoted to Indianapolis on 5/7...Suffered his only loss with Indy while making his first outing with the team on 5/10 at Louisville (3ip/1er)…Made his first start on 5/18 vs. Toledo and was charged with one unearned run in 2ip...Gave up two runs in 2.2 innings of work while picking up his first save with Indianapolis on 5/23 at Iowa...Pitched a season-high four innings (0r) and picked up his first win with Indy on 6/15 at Jacksonville...Made his third and final start on 6/30 at Rochester...Picked up wins in back-to-back outings on 7/29 at Omaha (2ip/0r) and 7/24 at Iowa (2ip/0r)…Went 3-0 with a 2.13 ERA (12.2ip/3er) and 16 strikeouts in six appearances during the month of July...Won each of his last five decisions with Indianapolis and posted a 1.83 ERA (34.1ip/7er) in his final 18 appearances, dating back to 7/6... Had contract selected by Pittsburgh on 9/19...Made his debut with the Pirates on 9/20 at Cincinnati and retired all six batters he faced...Surrendered just one hit in his three big league games (17AB) for a .059 opponents batting average. 

2023

Began season pitching with South Maryland in the independent Atlantic League...Went 1-1 with a 3.32 ERA (19.0ip/7er) and three saves in 18 appearances...Signed a Minor League deal with Minnesota on 6/22 and was assigned to Double-A Wichita...Made his lone start on 8/9 and tossed 2.1 scoreless innings...Was charged with just one earned run in his final seven games (13.1ip)

2022

Made 19 appearances with Norfolk (Orioles’ AAA)…Won his lone game on 6/9 at Nashville (Game 1)…Was released by Baltimore on 7/18...Signed with the Washington Wild Things on 8/6 and made 12 appearances.

2021

Recalled from Triple-A Norfolk on 5/3 and made his Major League debut on 5/7 vs. BOS (0.2 IP, H, ER, BB)…Threw a career-high-tying 1.1 scoreless innings on 7/3 at LAA, retiring four of his five batters faced; struck out David Fletcher for his first-career strikeout...Struck out a career-high two batters through 1.0 inning of work on 8/7 vs. TB...Went 0-2 with a 6.23 ERA (12 ER/17.1 IP) in 18 relief appearances for Triple-A Norfolk...Appeared in five games during Spring Training, going 0-1 with a 5.79 ERA (3 ER/4.2 IP), three walks, and three strikeouts.

2020

Participated in the Orioles Alternate Training Site at Double-A Bowie...Added to the 40-man roster on November 20, 2020

2019

Split the season between the Angels Class A-Advanced (Inland Empire) affiliate, Double-A (Mobile) affiliate, and Triple-A (Salt Lake) affiliate, making a combined 37 appearances and posting a 2.33 ERA (19 ER/73.1 IP) with 110 strikeouts...Named a MiLB.com Organization All-Star...Following the season, pitched for the Mesa Solar Sox of the Arizona Fall League, appearing in seven games and posting a 1.69 ERA (2 ER/10.2 IP) while striking out 12...Named to the AFL Rising Stars game.

2018

Spent the season with Class-A Burlington and Class A-Advanced Inland Empire...Posted a 7-4 record with a 3.82 ERA (40 ER/94.1 IP) and 85 strikeouts in 25 games (11 starts)...Made 11 starts for Burlington, his only career professional starts.

2017

Named a Pioneer League Postseason All-Star...Spent the majority of his first professional season with Rookie-Level Orem; also made three appearances for the AZL Angels... Appeared in 20 combined games, posting a 1-0 record with a 1.44 ERA (5 ER/31.1 IP) and 47 strikeouts.