John Thomas Ginn was originally signed by Mets scout Jet Butler...Graduated from Brandon (Miss.) High School where he was named the Gatorade Mississippi Player of the Year as a senior...Attended Mississippi State University and was named the Perfect Game National Freshman of the Year in 2019 season after putting up a 3.13 ERA in 17 starts with 105 strikeouts and 19 walks in 86.1 innings...Started Mississippi State’s opener in 2020 but left the game with an injury that would lead to “Tommy John” surgery.
2025
Went 4-7 with a 5.08 ERA and .801 opponents OPS in 23 games, including 16 starts, in a season interrupted by two stints on the injured list...Struck out 99 batters in 90.1 innings (9.86) and walked 31 for a strikeout-to-walk ratio of 3.19...Ranked 11th in the Majors among rookies in strikeouts, 14th in games started and 17th in innings pitched...Allowed a .260 opponents batting average, which broke down to .193 (37-for-192) with a .590 OPS against right-handed hitters compared to .340 (55-for-162) with a 1.046 OPS against left-handers…his career splits are .201 with a .586 OPS against righties, .333 with a .997 OPS against lefties...His opponents batting average dropped to .218 with runners in scoring position...12 of his 17 home runs allowed came with the bases empty as have 16 of 21 in his career...Was 3-2 with a 3.14 ERA and .679 opponents OPS in 10 games on the road compared to 1-5 with a 6.85 ERA and .900 OPS in 13 games at home…yielded 12 of his 17 home runs at Sutter Health Park…tied for the fourth-highest home ERA in the Majors among pitchers with 40 or more home innings...Went 4-7 with a 5.28 ERA and .832 opponents OPS in 16 starts, 0-0 with a 4.11 ERA and .635 OPS in seven relief appearances...Allowed 2-of-4 (50.0%) inherited runners to score…first batters faced were 3-for-7 (.429)...Posted a 7.31 ERA in the first inning, a 3.71 ERA in the second through fourth inning and a 6.04 ERA from the fifth inning on...Yielded a .119 batting average to the fifth hitter in the batting order...The A's were 8-8 (.500) in his starting assignments…tossed five innings or fewer in 11 of his 16 starts…logged at least one inning in each of his seven relief appearances, including two or more four times...Also went 1-0 with a 2.11 ERA and .586 opponents OPS in five starts, three of which came on rehab assignments, with Triple-A Las Vegas...Struck out 30 batters in 21.1 innings (12.66 per nine innings) and surrendered just one home run...Allowed a .203 opponents batting average, including .154 (6-for-39) with a .463 OPS against right-handed hitters and .257 (9-for-35) with a .721 OPS against left-handers...Opponents hit .167 with runners in scoring position.
2024
Made his Triple-A and Major League debuts in 2024...Combined for an 8-4 record, a 5.26 ERA and .765 opponents OPS in 21 games, including 20 starts, with Double-A Midland and Triple-A Las Vegas...Was promoted to Oakland on Aug. 20 and went 1-1 with a 4.24 ERA and .736 OPS in eight games, including six starts, with the A’s...Walked nine batters in 34.0 innings with Oakland, an average of 2.38 per nine innings...Struck out 29 for a strikeout-to-walk ratio of 3.22...Had a .275 opponents batting average, which broke down to .226 (14-for-62) with a .575 OPS against right-handed hitters and .319 (22-for-69) with a .881 OPS against left-handers...Surrendered three of his four home runs to lefties...Allowed a .244 batting average and all four of his home runs with the bases empty...Opponents hit .333 with runners on, including .300 with runners in scoring position...Was 1-1 with a 4.45 ERA in his six starts, 0-0 with a 2.45 ERA in two relief appearances...Did not inherit any runners and retired both of the first batters he faced in relief...Opponents were 9-for-18 (.500) with two home runs when putting the first pitch in play...Began the season at Double-A Midland and was 4-1 with a 4.15 ERA in six starts when he was promoted to Triple-A Las Vegas on May 8...Went 4-3 with a 5.72 ERA in 15 games, including 14 starts, with the Aviators...Had Minor League career highs in every counting category...Made 21 appearances, including 20 starts, after tallying just 38 starts over his first three seasons...Ranked fourth in the A’s farm system in games started, tied for fourth in wins (eight), sixth in innings pitched (102.2) and ninth in strikeouts (97)...Allowed a .273 opponents batting average, which broke down to .267 (65-for-243) with a .712 OPS against right-handed hitters and .282 (46-for-163) with a .843 OPS against lefthanders...Yielded 17 of his 30 extra-base hits to lefties for a .479 slugging percentage (.370 vs. righties)...Opponents hit .311 with eight of their 13 home runs with runners on base...Combined for 2-2 record and a 7.05 ERA in 10 games in his home ballparks...Was 6-2 with a 3.88 ERA in 11 starts on the road...His teams were 12-8 (.600) in his starting assignments...Tossed five innings or fewer in 12 of his 20 starts...Had two outings longer than six innings.
2022
Was limited to just 12 starts in his first season in the A’s organization due to three stints on the injured list…combined for a 1-4 record, a 5.10 ERA and .710 OPS with Double-A Midland and the A’s affiliate in the Arizona Complex League...Struck out 46 batters in 42.1 innings (9.78 per nine innings) and walked just 14 for a strikeout-to-walk ratio of 3.29...Surrendered just three home runs....Had a .250 opponents batting average, which broke down to .216 (19-for-88) against righthanded hitters and .288 (23-for-80) against left-handers...His opponents average dropped to .220 with runners in scoring position....Allowed just one run in the first inning for a 0.75 ERA…yielded 17 of his 30 runs in the second inning (10.03 ERA) ...Started on at least six days rest in 10 of his 12 starts and exactly five days rest in his other two…did not allow an earned run in his two starts on five days rest (8.0ip)....Tossed five innings or fewer in all 12 of his starts, including four innings or fewer 10 times....: Struck out a season-high seven batters in 3.2 innings in his Double-A debut on April 12 against Corpus Christi but was the losing pitcher in an 11-4 loss (2 h, 2 r, 2 er, 1 bb)… issued a season-high three walks in his second start on April 19 at Wichita, his first of three three-walk games…equaled his season high with seven strikeouts in a season-high 5.0 innings April 26 against Frisco…was 0-2 with a 6.14 ERA in four starts when he was placed on the injured list May 4 with a strained right forearm…was reinstated on May 14, had a no decision on May 15 against Corpus Christi (2.0 ip, 2 h, 2 r, 2 er, 3 bb, 3 so), and returned to the IL with the forearm strain on May 16…missed two months before beginning a rehab assignment with the A’s affiliate in the Arizona Complex League on July 22…did not allow an earned run in two starts (7.0 ip, 4 h, 1 r, 5 so) and was reinstated from the IL on Aug. 1…went 1-2 with a 5.79 ERA in five starts with the RockHounds following his return…did not yield a home run in 18.2 innings…allowed three runs on a career-high nine hits in 4.0 innings in a 9-1 loss to Amarillo on Aug. 18…tossed a season-high 76 pitches in a season-high tying 5.0 innings Aug. 25 at San Antonio…yielded a career-high eight runs in 1.2 innings in a 22-5 loss to Arkansas in his final start on Sept. 1…it was the shortest start of his career…was placed on the IL for a third time on Sept. 7 with a right ankle laceration and missed the remainder of the season…pitched for Mesa in the Arizona Fall League and went 1-1 with a 2.25 ERA in five starts.
2021
Began the season on the injured list as he continued his recovery from “Tommy John” surgery in college…was reinstated on June 1 and combined for a 5-5 record, a 3.03 ERA and .605 opponents OPS in 18 starts in his professional debut with Single-A St. Lucie and High-A Brooklyn…walked just 22 batters in 92.0 innings, an average of 2.15 per nine innings…struck out 81 for a strikeout-to-walk ratio of 3.68…surrendered just three home runs…tied for seventh in the Mets farm system in games started, ranked eighth in innings pitched (92.0) and tied for ninth in strikeouts…allowed a .223 opponents batting average, which broke down to .196 (40-for-204) with a .519 OPS against right-handed hitters compared to .263 (35-for-133) with a .738 OPS against left-handers…yielded two of his three home runs to lefties…compiled a 3.83 ERA over the first three innings of a game, a 1.89 ERA from the fourth inning on…held the opponents clean-up hitter to a .158 batting average and no home runs…tossed at least four innings in 14 of his 18 starts…walked one batter or fewer 13 times and allowed one run or fewer nine times… started the season at St. Lucie and made his professional debut on June 3 at Fort Myers…tossed 3.0 scoreless innings but had a no decision in a 7-0 loss (2 h, 2 bb, 1 so)…allowed just one run over his first three starts (11.0ip) but logged fewer than five innings in each start and did not have a decision…picked up his first win June 20 at Jupiter in a 6-4 victory (5.0ip, 4h, 3r, 3er, 1 bb, 4so)… allowed his third home run of the season in his sixth start on July 3 at Clearwater…did not allow a home run over his final 12 starts (65.1ip)…struck out a career-high 10 batters in 6.0 scoreless innings for the win on July 10 against Fort Myers…was 2-1 with a 2.56 ERA and .195 opponents batting average in eight starts with St. Lucie when he was promoted to Brooklyn on July 19… went 3-4 with a 3.38 ERA and .240 opponents batting average in 10 starts with the Cyclones… posted a 1.26 ERA over his final five starts beginning Aug. 25…logged a career-high 92 pitches in 5.2 innings of work on Sept. 2 against Wilmington…did not allow a run in back-to-back starts on Sept. 8 at Hudson Valley (5.0ip) and Sept. 14 against Jersey Shore (7.0ip) as part of a 14.0-inning scoreless streak from Sept. 8-19…picked up the win in both outings and his 7.0 innings against Jersey Shore are a career-high…went 2-2 despite a 1.14 ERA and .186 opponents batting average in four starts in September…was rated as the Mets fifth-best prospect by MiLB.com and sixth-best by Baseball America following the season.
2020
Did not pitch as he was recovering from “Tommy John” surgery prior to being drafted.
