Does everything left-handed, except for golf...His father, who is righthanded, taught him how to play...Played Florida Travel Baseball and roomed with teammate Sean Reid-Foley as a teenager.
Missed the remainder of the season after being placed on the 10-Day Injured List on July 2...While recovering from right side tightness, the left-hander underwent surgery to repair a right foot fifth metatarsal fixation on July 27...Dr. Mark Darkos performed the surgery at the Hospital for Special Surgery...Went 2-2 with a 2.84 ERA (10 earned runs/31.2 innings) with 27 strikeouts in six starts at Citi Field...Tossed a quality start in five of his six outings at home...Allowed one earned run on three hits over 6.0 innings with 10 strikeouts on April 14 vs. Philadelphia without issuing a walk...Became the seventh lefthander in Mets history to strike out 10 or more and not issue a free pass...Averaged 9.31 strikeouts per inning, an increase from the total of 7.22 strikeouts per inning during his rookie campaign...All seven of Peterson's starts from April 27-June 2 came in games decided by one run...That was the longest streak in the Majors since 2017, when Jimmy Nelson (LAD) started seven one-run games in a row...The streak tied Ron Darling's (July 25-August 27, 1988) for the longest by a Met.
Led NL rookies and Mets pitchers with six wins...Ranked third among NL rookies with 49.2 innings pitched...Was eighth in that group with 40 strikeouts...Tied for the major league rookie lead in wins...Was eighth in the majors in innings pitched...Among rookies with 45.0 or more innings, Peterson was third in NL and fifth in the Majors with a 1.21 WHIP, third in the majors in ERA (3.44) and fourth in the majors in BAA (.202)…Is one of six rookies who finished a season as the Mets’ team leader in wins - Tom Seaver (16 in 1967), Jerry Koosman (19 in 1968), Mark Bomback (10 in 1980), Dwight Gooden (17 in 1984) and Dillon Gee (13 in 2011)…Courtesy of Elias...Was on the IL from Aug. 14 until Aug. 28 with left shoulder fatigue...Began the season at the team's Alternate Training Site and had his contract selected on July 28...In his final three starts to end the season, he surrendered just four runs in 18.0 innings with seven walks and 16 strikeouts, good for a 2.00 ERA...Earned the win in relief on Sept. 2 against the Orioles ...It marked the first win by a Mets reliever in a game in which he pitched at least four innings and was not charged with any runs since Aug. 5, 2009, when Nelson Figueroa (4.1 IP) was the winner in a 9-0 Mets victory over the Cardinals at Citi Field... Courtesy of Elias...Went 4-0 with a 2.93 ERA (nine earned runs/27.2 innings) with 13 walks and 23 strikeouts in five starts at night...This compared to a 2-2 record with a 4.09 ERA (10 earned runs/22.0 innings) with 11 walks and 17 strikeouts in five games (four starts) during the day...Recorded his first career double-digit strikeout game on Sept. 19 vs. Atlanta...Only three other Mets rookie LHP have produced 10 strikeouts in a single game: Hisanori Takahashi was the last to do it (July 31, 2010)...Pete Schourek did it in 1991...Jerry Koosman had four double-digit K games in 1968...Ranked seventh in the NL with a .202 (36-178) opposing batting average (min. 200 batters faced)...That included a .161 (5-31) mark vs. left-handed batters...Held opponents to a .171 (7-41) batting average with runners in scoring position, that was tied for the eighth-lowest mark in the majors among all pitchers at least 40 batters faced with RISP.
Reached career-high marks in starts (24) and strikeouts (122) while spending the entire season at Binghamton (AA)...Spent time on the Minor League 7-Day Injured List with a lower back strain from July 18 (retroactive to July 17)-Aug. 3...Recorded a season-high 10 strikeouts in his last start of the year, Aug. 30 vs. Hartford.
Was the Sterling Award recipient for Columbia (A)...Posted a 1.82 (12 earned runs/59.1 innings) in nine starts for the Fireflies before being promoted to St. Lucie (A)...Tossed a career-high 8.0 innings in his last start before his promotion....Did not allow an earned run over his final four starts of the season (23.0 innings)...Overall, had a 3.16 ERA (45 earned runs/128.0 innings) in 22 starts between Columbia (A) and St. Lucie (A)...Was named a mid-season South Atlantic League All-Star...Made 13 starts for the St. Lucie Mets (A) of the Florida State League...Went 6-6 with a 4.33 ERA (33 earned runs/68.2 innings) in those games...Was the Florida State League Pitcher of the Week for the week ending Sept. 3...Made one start that week, firing 5.0 shutout frames with nine strikeouts, no walks and just two hits allowed.
In his first professional season, made three starts for Brooklyn (A) of the New York-Penn League... Allowed one run, earned, in 3.2 innings with six punchouts and one walk...After allowing an earned run on two hits in his first professional inning, pitched 2.2 scoreless frames over his next two starts with five strikeouts and one walk.