Full name is Matthew David Barnes. Married his wife, Chelsea, in January 2019. Signed by Ray Fagnant (Red Sox). Went 11-5 with a 1.93 ERA (26 ER/121.0 IP) and 117 SO in 17 starts as a junior at the University of Connecticut in 2011. In 2011, unanimously chosen as Big East Pitcher of the Year, named a Baseball America All-American, and selected to the Big East All-Academic Team. Won the Big East pitching Triple Crown, leading the conference in wins (11), strikeouts (97), and ERA (1.20) during the 2011 regular season. Pitched for USA Baseball's Collegiate National Team (2010) and for Wareham of the Cape Cod League (2009-10). Graduated from Bethel (CT) High School in 2008.
Posted a career-best 14.01 SO/9.0 IP ratio (96 SO/61.2 IP) over 62 appearances for the Red Sox ... Also set career highs in SO, SO/BF (.362), ERA (3.65), opponent AVG (.204) and OPS (.624), and holds (26) ... Among AL relievers, ranked 4th in SO/9.0 IP and holds, 6th in SO/BF, T-6th in SO, and T-9th in wins (6) ... Surpassed 60 appearances for the 3rd straight season (2016-18) ... Held righties to a .191 AVG (27-for-141), a singleseason career best ... Surrendered 0 HR to his 106 lefties faced ... Allowed 0 runs in 47 of 62 appearances (76%) ... Stranded 13 of 14 inherited runners (92.9%) ... Retired 44 of his 62 first batters faced (71%) ... Posted a career-best 13.0-inning scoreless streak over a span of 12 games, 5/10-6/9 ... In his 11 July outings, averaged 19.0 SO/9.0 IP and posted a 1.46 ERA (12.1 IP, 2 ER, 26 SO) ... Earned the win in the Sox' come-from-behind victory in 10 innings on 8/5 vs. NYY, completing a 4-game series sweep ... Threw a perfect 10th inning with 1 SO ... Earned the win in the Sox' 105th victory of the season, which tied the franchise record, on 9/21 at CLE ... Ended the season with 6 wins, giving him 13 over the last 2 seasons (2017-18), tied for 3rd most among all ML relievers in that span ... POSTSEASON: Made a team-high 10 postseason appearances, going 2-0 with a 1.04 ERA (1 ER/8.2 IP) and a .103 opponent AVG (3-for-29) ... Among the 45 pitchers with 5.0+ IP in the postseason, ranked 3rd in opponent AVG and T-5th in ERA ... 9 of his 10 outings were scoreless ... Held opponents to 0-for-10 with RISP ... Stranded 7 of 9 inherited runners ... Allowed 0 runs and 0 hits in his first 6 outings, with opponents going 0-for-17 with 4 BB in that time (5.2 IP) ... Appeared in each of the Sox' 7 games from Game 4 of the ALDS through Game 1 of the World Series ... Earned the win in Game 2 of the ALCS vs. HOU and in Game 1 of the World Series vs. LAD.
Set career highs in games (70), innings (69.2), SO (83), SO/9.0 IP (10.72), and wins (7) in his 2nd full ML season...Led BOS relievers and ranked among AL relievers in wins (T-4th), IP (10th), games (T-8th), and holds (21; T-8th). Allowed 0 runs in 51 of his 70 appearances. Posted a 2.77 ERA (12 ER/39.0 IP) in 37 games at Fenway Park compared to a 5.28 ERA (18 ER/30.2 IP) in 33 games on the road. Held RHH to a .204 AVG (33-for-162, 51 SO). Limited opponents to a .211 AVG (12-for-57) with RISP. Stranded 15 of 18 inherited runners (83%) and retired 53 of 70 first batters faced. Induced 7 GIDP, tied with Blaine Boyer for most among BOS relievers and T-14th among AL relievers. Missed 2 games on the bereavement list (4/6-8). Was ejected from the game on 4/23 at BAL for throwing a pitch in the area of the head of Manny Machado in the 8th inning...Suspended for 4 games by MLB on 4/24...Reinstated on 4/30...Tied his career high with 5 SO in relief on 5/20 at OAK (2.0 IP) and 6/12 vs. PHI (2.0 IP). Allowed his 1st HR to a RHH on 8/18 vs. NYY (Todd Frazier)...Had not allowed a HR to the first 146 RHH he faced in 2017 (126 AB). Placed on 10-day DL with a low back strain on 8/22...Rehabbed with Double-A Portland on 8/29 at Hartford...Reinstated on 9/1. Recorded his 1st save of the season and 2nd of his ML career in the Sox' 11-inning win on 9/19 at BAL.
Made his 1st career Opening Day roster...Led BOS with 62 appearances and 66.2 relief innings (T-19th in AL) in his 1st full season in the majors. Allowed 5 ER in 0.0 IP on 8/28 vs. KC, but posted a 3.38 ERA (25 ER/66.2 IP) in his other 61 appearances. Set career highs in wins (4), appearances, innings, strikeouts (71), and SO/9.0 IP (9.59). Stranded 38 of 49 inherited runners (77.6%). Held opponents to a .181 AVG (15-for-83) with RISP, the 3rd-lowest mark among AL pitchers and 9th-lowest in the majors (min. 75 AB with RISP). Finished tied with Heath Hembree (4) for the team lead in relief wins. Had a 2.93 ERA (14 ER/43.0 IP) in 35 appearances before the All-Star break and a 6.08 ERA (16 ER/23.2 IP) in 27 games after...Posted a 1.13 ERA (1 ER/8.0 IP) over his final 12 appearances of the season (beginning 8/30). Threw more than 1.0 inning in 19 of his 62 appearances; did not allow runs in 13 of those outings. Worked out of a bases-loaded jam with no outs in the 6th inning on 7/20 vs. SF...Threw 3.0 scoreless innings to earn the win in the Sox' 11-7 victory. Recorded the 1st save of his ML career on 8/9 vs. NYY (0.1 IP)...Came on with the bases loaded and 2 outs in the 9th with the Sox ahead, 5-3, and struck out Mark Teixeira. POSTSEASON: Made his postseason debut, allowing an unearned run in Game 2 of the ALDS at CLE (1.2 IP, 3 H, SO)...Relieved David Price with 1 out in the 4th inning...Allowed 1 of 2 inherited runners to score before tossing a scoreless 5th inning...Faced 1 batter in the 6th inning (single) before being removed.
Appeared in a career-high 32 games (two starts) over five stints with the Red Sox... Began the season at Triple-A Pawtucket, making 17 appearances (five starts). Recalled by Boston five times: April 25, May 9, June 27, Aug. 17 and Sept. 8... Had a 1.93 ERA (3 ER/14 IP) over his first 12 relief appearances for the Sox, which spanned his first two stints with the club. Made a pair of starts for Boston on Aug. 17 vs. Cleveland and Aug. 22 vs. Kansas City, combining to go 0-2, 9.58 ERA (11 ER/10 1/3 IP)... The outing on Aug. 17 was his 1st career major league start (27th major league appearance). As a reliever with the Red Sox was 3-2, 4.13 ERA (15 ER/32 2/3 IP) in 30 games... Recorded three holds. Of the 28 runs allowed in the majors, 22 (all ER) were allowed in 18 2/3 IP over a span of 11 games (two starts) from June 9-Aug. 22. Did not appear in any games between Boston or Pawtucket over a 15-day span from Aug. 23-Sept. 6. Following his fifth and final recall of the season, posted a 0.87 ERA (1 ER/10 1/3 IP) in nine relief appearances... Had a 1.06 WHIP (3 BB), a .211 opponent AVG (8-for-38), and two holds in that span. That stretch included a career-best 8-inning scoreless streak that spanned seven games, Sept. 12-28... Held opponents to a .179 AVG (5-for-28) with 1 BB and 6 SO (0.75 WHIP). Opened the year in the PawSox' starting rotation... Had no record with a 4.50 ERA (6 ER/12 IP) over his first three outings, April 13-May 1. Posted a 3.24 ERA (6 ER/16 2/3 IP) over his next 11 appearances, all in relief from May 6-July 31. Returned to Pawtucket's starting rotation in early August, making two starts (0-1, 5.63 ERA). Was 1-0, 3.06 ERA (6 ER/17 2/3 IP) in 12 relief appearances in the minors, compared to 0-1, 4.95 ERA (11 ER/20 IP) in five starts. Averaged 9.8 SO/9 IP (41 SO/37 2/3 IP) for the PawSox
Made his ML debut with BOS as a reliever after spending the majority of the season at Triple-A Pawtucket, where he was 8-9, 3.95 ERA (56 ER/127.2 IP) in 23 games (22 starts)...Participated in his 1st Major League Spring Training camp as a non-roster invitee...Missed the beginning of the season due to right shoulder inflammation...Earned the win in his season debut for the PawSox on 4/25 vs. Rochester (5.0 IP, 6 H, 1 ER, 2 BB, 2 SO)...Went 7-6, 3.41 ERA (35 ER/92.1 IP) over his final 16 regular season games (15 starts) in the minors after beginning the year 1-3, 5.35 ERA (21 ER/35.1 IP) in his first 7 games/starts...Threw 7.0 hitless innings with 2 BB and a season-high-tying 10 SO on 8/2 vs. Columbus...Did not factor in the decision in the PawSox' 2-1 loss in 11 innings...Also struck out 10 batters in his final regular season appearance of the year, 8/30 vs. Syracuse...In his only appearance for Pawtucket in the Governors' Cup Playoffs, earned the win with 7.0 scoreless innings in semifinal round Game 2 on 9/4 vs. Syracuse (3 H, 0 BB, 6 SO)...Went 4-1, 1.76 ERA (9 ER/46.0 IP) over a span of 7 starts from 7/22-8/25...Selected to the ML roster on 9/8 and worked out of the Red Sox bullpen...Made his ML debut on 9/9 vs. BAL and threw 3.0 scoreless innings with 2 SO...Marked the longest scoreless outing for a Red Sox pitcher in his ML debut since Vaughn Eshelman in 1995 (6.0 IP)...Worked multiple innings in 3 of his 5 relief appearances for the Red Sox.
Combined to average 11.3 strikeouts per 9.0 innings (113.1 IP), the 5th-best rate among all minor leaguers with at least 100.0 IP…It was the top mark in that group among pitchers primarily at Double-A or above...His 142 total strikeouts ranked 2nd among Red Sox farmhands…He and Henry Owens (169) each had more strikeouts than any Red Sox farmhand since Clay Buchholz in 2007 (171)...Gave up 1 earned run or fewer in 14 of his 25 starts…Limited opponents to 3 hits or fewer in 10 starts...Led the Sea Dogs and ranked among Eastern League leaders in strikeouts (7th, 135) and starts (T-12th, 24)...Suffered the loss just once in his 1st 10 starts...Began the year allowing 14 runs in 14.0 innings in his 4 April starts, but rebounded for a 2.65 ERA (10 ER/34.0 IP) in 6 May starts...Led Portland qualifiers and ranked 8th in the EL a 2.82 ERA (17 ER/54.1 IP) over his last 12 starts with the Sea Dogs from 6/18-8/23...In that time, lowered his ERA from 5.87 to 4.33...Fanned a season-high 10 batters on 5/1 at Reading (6.0 IP) and 7/20 vs. Reading (7.0 IP)...Promoted to PawSox for his last regular season start on 8/29 vs. Syracuse…Fanned 7 in 5.1 scoreless innings to earn the win in his Triple-A debut...Gave up 1 ER or fewer in 10 of his last 13 starts in the regular season (2.56 ERA, 17 ER/59.2 IP)...Started 2 playoff games for the PawSox, going 0-1 with a 3.86 ERA (4 ER/9.1 IP) and 10 strikeouts...Threw 5.1 scoreless frames for a no-decision in Game 3 of the Governor's Cup Finals on 9/13, a 2-0 loss vs. Durham in 14 innings...Following the season, named by Baseball America as Boston's No. 4 pitching prospect, No. 9 prospect overall...Also tabbed as having the best fastball in the system for the 2nd year in a row.
Led Red Sox minor league qualifiers in ERA and opponent AVG (.225), while also pacing the system in strikeouts...Selected as the South Atlantic League Pitcher of the Week for 4/5-15 (0 R, 3 H, 2 BB, 16 K in 2 GS)...Chosen as the Red Sox Minor League Pitcher of the Month for April after going 2-0 with a 0.34 ERA (1 ER/26.2 IP) and 42 strikeouts over 5 starts with the Drive...Promoted to Salem on 5/5 and went 5-1 with a 1.37 ERA (7 ER/46.0) and 53 SO over his first 8 starts...Fanned a season-high 12 batters in 6.0 innings in his 1st High-A start on 5/5 at Winston-Salem...Named Carolina League Pitcher of the Week for 6/4-10 after going 2-0 without allowing a run over 13.0 combined innings in 2 starts, including a 7.0-inning complete game shutout on 6/9 at Potomac...Tossed 0.2 innings for the U.S. Team in the All-Star Futures Game on 7/8 in Kansas City...Entered the season ranked as Boston's No. 2 pitching prospect and No. 8 prospect overall by Baseball America...At the end of the year was Boston's No. 1 pitching prospect, No. 3 prospect overall, and tabbed as having the best fastball in the system...Also selected as the No. 3 prospect overall in the CL at the close of the season by Baseball America.