Greg Weissert

Former Prospect Active on MLB Roster ... Boston Red Sox
High Level
MLB
Years
2014-2026 (2022-2026)
Proper Name
Gregory R. Weissert
Pronunciation
WICE-ert
Positions
P (398)
Height / Weight
6-2 / 235
Bats / Throws
Right / Right
Birthdate
February 4,1995   Age:  31.126
High School
Bay Shore (Bay Shore,NY)
Colleges
Fordham University (New York,NY)
Drafted/Signed
Signing Bonus
$ 75,000
Service Time
2.079 (2025)
MLBAM ID
Retrosheet#
weisg001
Show More
Brother of Brian Weissert   [2026] Played for Italy in World Baseball Classic

Games - Pitching

CSV
Glossary
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yearteamsggscggrgfwlwpcttm-wtm-ltm-w%holdsvblsvgs%cg%inn1inn2inn3inn4inn5inn6inn7inn8inn9inn10inn11inn12innxip-sip-ravg_stavg_rellmiemigsc1gsc2
2022NYA1200122301.00075.5831000.0--01120343100100.011.1--0.946
2023NYA170017600--413.2352000.0--00124447500000.020.0--1.238
2024BOS6200621642.6672933.4685120.0--013291517141133100.063.1--1.01126
2025BOS720072066.5003834.52820460.0--00116222222651000.067.0--0.91522
Tot: 1630016324138.6197885.47928580.0--0267194447462384200.0161.7--1.03362
g: Games Pitched ... gs: Games Started ... cg: Complete Games ... gr: Games Relieved ... gf: Games Finished ... w: Wins ... l: Losses ... wpct: Win Percentage ... tm-w: Team Wins in games pitched ... tm-l: Team losses in games pitched ... tm-w%: Team win% when pitching ... hold: Holds ... sv: Saves ... blsv: Blown Saves ... gs%: Games Started% ... cg%: Complete Games% ... inn#: Appearances in this inning ... innx: Appearances in 13th+ inning ... ip-s: Innings Pitched as Starter ... ip-r: Innings Pitched as Reliever ... avg_st: Average innings pitched per start ... avg_rel: Average innings pitched per relief appearance ... lmi: Left game mid-inning ... emi: Entered game mid-inning ... gsc1: Average Game Score using Bill James Formula (as starter) ... gsc2: Average Game Score using Tom Tango formula (as starter)

On Base - Pitching

CSV
Glossary
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2022NYA1248411315.271.31365210104101200010005240.0010263810.5
2023NYA1787773031.345.3562181001016203610210009444.4401355311.3
2024BOS622632378596.323.3656520021804990793133100411229.273614022015.5
2025BOS722782518191.291.32757213135037140661031110311238.714414619313.0
Tot: 16367660620915.309.3451495464415010626017235186210863034.8881134750413.7
G: Games ... PA: Plate Appearances ... AB: At Bats ... ONBS: On base (H+BB+HBP) ... ONBS2: All On Base (H+BB+HBP+ERROR+FC+FO) ... OBP: On Base Percentage ... OBP2: On Base Percentage for ONBS2 ... H: Hits ... BB: Walks ... HBP: Hit by Pitch ... ROE: Reached on Error ... FC: Fielder`s Choice ... FO: Forceouts ... CI: Catcher`s Interference ... SGL: Singles ... DBL: Doubles ... TPL: Triples ... HR: Home Runs ... IFH: Infield Hits ... BNT: Bunts ... B-H: Bunt hits ... PH-H: Pinch Hits ... PH-HR: Pinch hit home runs ... HR1: Solo home runs ... HR2: 2-run Homers ... HR3: 3-run Homers ... HR4: Grand Slams ... IPHR: Inside the park homers ... RBI: Runs batted in ... HR-RBI: RBIS on Home Runs ... HR-RBI%: % of RBIs on Home Runs ... RBI2: Runs batted in on outs ... BB4: Walks on 4 pitches ... BB1OP: Walks with 1st base open ... RON: PA with runners on ... BR: # of Baserunners ... RBI%: % of opportunities with RBI ... OPP: RBI Opportunities Points ... CONV: RBIs points converted ... CONV%: Converted% ... LDOF: Leadoff ... OB: Leadoff onbase ... LD-OB%: Leadoff onbase% ... LAST: Last batter of game ... WOH: Walk-off Hits ... WOHR: Walk-off Home Runs

Outs - Pitching

CSV
Glossary
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yearteamsgpaaboutsgoaoratioflylopopout_ifout_ofout_prrbi_outsoso%so3swcalfcfogdpoppgdp%loc1loc2loc3loc4loc5loc6loc7loc8loc9
2022NYA124841349140.647253612101122.92083010140.0101346356
2023NYA1787775717180.9410266522102225.295184011812.52045989124
2024BOS6226323717151620.82351116197661465822.051442161865411.110110171722324026
2025BOS7227825119158760.76401521201772245720.50154314354458.96214271817284333
Tot: 1636766064531351700.79923048499177381014821.893411137415111219.1193295248537210069
G: Games ... PA: Plate Appearances ... AB: At Bats ... Outs: Outs ... GO: Groundouts ... AO: Air Outs ... ratio: Groundouts/Airouts ... FLY: Flyballs ... LO: Lineouts ... POP: Popouts ... OUT_IF: Infield Outs ... OUT_OF: Outfield Outs ... OUT_PR: Productive Outs ... RBI_OUT: RBIs on outs ... SO: Strikeouts ... SO%: Strikeout% ... SO3: Struck out on 3 pitches ... SW: Strikeouts swinging ... CAL: Strikeouts looking ... FC: Reached on fielders choice ... FO: Reached on forceout ... GDP: Grounded into Double Play ... OPP: Double play opportunities ... GDP%: Grounded into double play% ... LOC1-9: Balls hit to position location

Baserunning - Pitching

CSV
Glossary
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2022NYA12484122000100.000005000015640.008225.006350.00
2023NYA1787775500183.311006011031929.031200.00400.00
2024BOS622632375500255.64310206135964243.75411434.1511436.36
2025BOS722782516600066.732101303202913235.1632618.7515213.33
Tot: 163676606181800369.28620260103472338938.20932223.6636925.00
G: Games ... PA: Plate Appearances ... AB: At Bats ... SB: Stolen Bases ... SB2: Steals of 2b ... SB3: Steals of 3b ... SBH: Steals of home ... DI: Advanced on defensive indifference ... SB%: Stolen base % ... CS: Caught stealing ... CS2: Caught stealing 2b ... CS3: Caught stealing 3b ... CSH: Caught stealing home ... PTHR: Pickoff throws ... PCKFF: Picked off ... WPPB: Advancement on wild pitch or passed ball ... ADV_OUT: Runner advanced on out ... OOB: Out on bases ... onbs Runners on base ... R: Runs scored ... RS%: % of times on base run scored ... inh-r Inherited runners ... inhr-s Inherited runners scored ... beq-r Bequeathed runners (runners on base when leaving game) ... beq-s Bequeathed runners scored ... % % related to prior 2 columns

Pitches - Pitching

CSV
Glossary
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yearteamsgpaabpitstrbalfouswcalinplayswingscontp-pastr%bal%swng%cont%fou%play%fpsfpswfpsw%fpipfpip%gbairgb%
2022NYA124841186113733114373076613.8860.7539.2540.980.316.6716.1241020.848.312180.67
2023NYA178777348214134523864561501084.0061.4938.5143.172.014.9416.1521921.866.928281.00
2024BOS622632371043687356211941901854973963.9765.8734.1347.779.720.2317.71456725.5218.0761090.70
2025BOS7227825110696833861901061851974983873.8563.8936.1146.677.717.7718.41556523.4217.6821150.71
Tot: 1636766062646169794948425247646812219523.9164.1335.8746.178.018.2917.737616123.8527.71982700.73
G: Games ... PA: Plate Appearances ... AB: At bats ... PIT: Pitches ... STR: Strikes ... BAL: Balls ... FOU: Fouls ... SW: Swing and miss ... CAL: Called strikes ... INPLAY: Balls put in play ... SWINGS: Total swings ... CONT: Contacts ... P-PA: Pitches per plate appearance ... STR%: Strikes% ... Ball%: Balls% ... SWNG%: Swing % ... CONT%: Contact% (per swing) ... FOU%: Foul ball% ... PLAY: Ball in Play% ... FPS: First pitch strikes ... FPSW: First pitch swings ... FPSW%: First pitch swing%... FPIP: First pitches in play ... FPIP%: First pitches in play% ... RUNGO: Runners going while batting ... HIT_RUN: Hit and Runs ... GB Ground balls ... Air Balls in air ... GB% Groundball%