| At Bats (SEASON): | 108 | Rob Rogers | Murphy's Law | 2008 |
| At Bats (GAME): | 9 | Alex Olsen | The Greatest Bar | vs Bushwhackers (5/1/2007) |
| |
| Hits (SEASON): | 55 | Charles Zaniboni | Sidewalk Cafe | 2004 |
| | 55 | Marty Jiminez | George Pratt Club | 2010 |
| Hits (GAME): | 7 | Matt Brooks | Boston Beer Garden | vs Shannon's Tavern (6/16/2004) |
| |
| Doubles (SEASON): | 20 | Rob Rogers | Murphy's Law | 2002 |
| Doubles (GAME): | 4 | Leo Greeley | Murphy's Law | vs G-Hits (5/10/2007) |
| |
| Triples (SEASON): | 10 | Danny McElaney | Boston Beer Garden | 2005 |
| | 10 | Tom Christensen | Below Average Joe's | 2010 |
| Triples (GAME): | 3 | Andrew Quinn | Quality Painting | vs Murphy's Law (6/29/2001) |
| | 3 | Dave Cotter | Samuel Adams | vs Dorset Club (6/26/2003) |
| | 3 | Brendan Flynn | Sidewalk Cafe | vs The Junction (8/24/2004) |
| | 3 | Christian Fratassio | Il Giardino Cafe | vs L Street Tavern (8/5/2005) |
| | 3 | Danny McElaney | Boston Beer Garden | vs Sidewalk Cafe (8/4/2005) |
| | 3 | Danny McElaney | Boston Beer Garden | vs Booze on First (7/31/2008) |
| | 3 | Tim Benham | Bulldogs | vs Swingers (6/15/2009) |
| | 3 | Tom Christensen | Below Average Joe's | vs Stadium (6/4/2010) |
| | 3 | Sean Gorman | Bulldogs | vs Tom English's Stingers (5/31/2011) |
| |
| Home Runs (SEASON): | 16 | Rob Rogers | Murphy's Law | 2003 |
| | 16 | Rob Rogers | Shannon's Tavern | 2004 |
| | 16 | Pat Dolbeare | Pirates | 2015 |
| Home Runs (GAME): | 4 | Charles Zaniboni | Sidewalk Cafe | vs Spartans (8/18/2005) |
| | 4 | Dan Pencinger | The Greatest Bar | vs Dorset Club (5/9/2007) |
| | 4 | Pat Gallagher | Il Giardino Cafe | vs Brewers (5/30/2007) |
| | 4 | Steve Anastasi | Stats Bar & Grille | vs Swingers (8/9/2011) |
| | 4 | Jason Clucas | Harp & Bard | vs Dorset Club(6/7/2016) |
| | 4 | Miguel Dupree | Magix Box | vs TBA (2017) |
| | 4 | Max Troiani | Stew Jays | vs Broadway Brew Crew(5/10/2023) |
| |
| Walks (SEASON): | 22 | Kevin Coyle | Brewers | 2007 |
| Walks (GAME): | 6 | Kevin Coyle | Brewers | vs The Greatest Bar (8/6/2007) |
| |
| Runs (SEASON): | 50 | Steve Couturier | Shannon's Tavern | 2004 |
| Runs (GAME): | 8 | Brian Landolfi | Il Giardino Cafe | vs Boston Beer Garden (5/21/2009) |
| |
| RBI's (SEASON): | 64 | Rob Rogers | Shannon's Tavern | 2004 |
| RBI's (GAME): | 13 | Kevin McDermott | Stats/BSB | vs Dorset Club (5/11/2011) |
| CYCLE (GAME): | 1 | Timmy Malley | Seapoint | vs Corner Tavern (6/30/1998) |
| | 1 | Christian Frattassio | Il Giardino Cafe | vs Sidewalk Cafe (9/18/2008) |
| | 1 | Sean Higgins | Brew Crew | vs Playwright Shamrocks (7/16/2020) |
| | 1 | Glen Peterson | Southside Tavern | vs Silkworms (7/10/2020) |
| | 1 | Mark DiFiori | Big Ballers | vs Handukies (5/23/2022) |
| | 1 | Ryan McCormick | Roza Lyons | vs Greatest Bar (5/25/2022) |
| | 1 | Kyle Cheever | McCann Joyce | vs Silkworms (6/13/2022) |
| | 1 | Sean Moran | L Street Tavern | vs Sperry's Liquors (6/15/2022) |
| | 1 | Dodakian | L Street Tavern | vs Sperry's Liquors (6/15/2022) |
| | 1 | Vin Nardone | Shamrock Pub | vs Stew Jays (8/7/2023) |
| | 1 | Jamie Faber | Publico | vs Silkworms (8/16/2023) |
| | 1 | Jake Brawley | Shannon Tavern | vs Silkworms (7/10/2024) |
| |
| PITCHING |
| |
| NO-HITTERS (GAME) | | | | |
| |
| STRIKEOUTS (SEASON): | 146 | Jimmy Pinkston | Makepeace | 2011 |
| STRIKEOUTS (7 INNINGS): | 20 | Jimmy Pinkston | Sonny's Pirates | vs Below Average Joe's (4/30/2012) |
| |
| WINS (SEASON incl. playoffs) | 21 | George Pratt | Sidewalk Cafe | 2002 |
| |
| EARNED RUN AVERAGE (SEASON not incl. playoffs) | 0.88 | Nick French | Shennanigans | 2013 |
| |
| INNINGS PITCHED (SEASON incl. playoffs) | 167 | John Gregorio | Murphy's Law | 2003 |
| |
| HIT BATTERS (SEASON incl. playoffs) | 12 | Mark Senna | Sidewalk Cafe | 2011 |
| HIT BATTERS (GAME): | 6 | Mark Landolfi | Boston Beer Garden | vs Il Giardino Café (7/7/2005) |
| |
| WALKS (SEASON) | 85 | Nick Kleimola | Il Giardino Café | 2008 |
| WALKS (GAME): | 22 | Mark Campbell | Telegraph Hill | vs The Playwright (8/27/2013) |
| | 22 | Brian Walsh | Handdukies | vs Chiefs (6/6/2019) |
| |
| LONGEST GAME | 3+ HRS | Lincoln Tavern 2 | Boston Hitmen 1 (13 innings) | 8:43pm - 11:17pm 9/15/2021
cont. 7:30pm - 8:05pm 9/16/2021 |
| | 3 HRS | Boston Braves 6 | Boston Hitmen 3 | 7:43pm - 10:43pm 7/8/2021 |
| LOPSIDED SCORE | 30 | Telegraph Hill 30 | DataDawgs 0 | 5/20/2019 |
| | 30 | Shamrock Pub 30 | Dungeon Rats 0 | 6/29/2022 |
| |
| OLDEST PLAYER/PLAYOFFS | 72 | Jack Manning (P) | Southside B | 8/19/2019 |
| |
| MOST CHAMPIONSHIPS WON | 11 | Mark Dion (P) | Dawgs, Lynx, Shennanigans, Southside Tavern | 2007-2018 |
| | 9 | Jim Burgio (1B) | United Cleaners, L Street Tavern, Ocean Kai, Sam Moran Club | 1988-1999 |
