The Hill City Howlers' single-season records showcase standout performances across several decades of play. In the batting categories, Jim Negrych holds the highest batting average with .370 in 2008, while Jose Guillen's 1996 season remains one of the most productive in franchise history, leading the team in hits (170) and ranking in the top five for batting average and RBIs. Power hitting is anchored by Bobby Bradley and Aramis Ramirez, who share the single-season home run record with 29 each. On the basepaths, Pedro Powell delivered two of the most prolific seasons for the team, recording 67 stolen bases in 2007 and 63 in 2006.
The pitching records are headlined by Sean Burnett, who set the benchmark for Earned Run Average at 1.80 in 2001 and is tied for the most wins in a season with 13. Triston McKenzie also features prominently in the record books, holding the single-season strikeout record with 186 and the lowest opponent batting average at .203, both achieved in 2017. Durability records are led by Kevin Pickford, who holds the top spot for innings pitched at 172 1/3, and a group of seven pitchers who share the lead for most games started in a single season.
| Category | Rank | Player | Year | Stat |
|---|---|---|---|---|
| Batting Average | 1 | Jim Negrych | 08 | .370 |
| 2 | Chris Shelton | 03 | .359 | |
| 3 | Jeff Keppinger | 03 | .325 | |
| 4 | Jose Guillen | 96 | .322 | |
| 5 | Oscar Gonzalez | 19 | .319 | |
| At Bats | 1 | Chris Duffy | 02 | 539 |
| 2 | Ray Navarrete | 02 | 532 | |
| 3 | Jose Guillen | 96 | 528 | |
| 4 | Tike Redman | 98 | 525 | |
| 4 | Matt Lipka | 13 | 525 | |
| Doubles | 1 | Joey Terdoslavich | 11 | 52 |
| 2 | Anthony Santander | 16 | 42 | |
| 3 | Ray Navarrete | 02 | 41 | |
| 3 | Kevin Ahrens | 14 | 41 | |
| 5 | Mark Mathias | 16 | 39 | |
| 5 | Freddy Garcia | 96 | 39 | |
| 5 | Pat Magness | 05 | 39 | |
| Home Runs | 1 | Bobby Bradley | 16 | 29 |
| 1 | Aramis Ramirez | 97 | 29 | |
| 3 | Josh Bonifay | 02 | 26 | |
| 4 | Pat Magness | 05 | 24 | |
| 5 | Eddy Furniss | 99 | 23 | |
| Runs | 1 | Pat Magness | 05 | 98 |
| 2 | Eddy Furniss | 99 | 96 | |
| 3 | Greg Allen | 16 | 93 | |
| 4 | Rajai Davis | 04 | 91 | |
| 5 | Anthony Santander | 16 | 90 | |
| Stolen Bases | 1 | Pedro Powell | 07 | 67 |
| 2 | Pedro Powell | 06 | 63 | |
| 2 | Tommy Hawke | 25 | 63 | |
| 4 | Rajai Davis | 04 | 57 | |
| 5 | Guy Lipscomb | 23 | 48 | |
| Hits | 1 | Jose Guillen | 96 | 170 |
| 2 | Ray Navarrete | 02 | 169 | |
| 3 | Chris Duffy | 02 | 162 | |
| 4 | Andrelton Simmons | 11 | 161 | |
| 5 | Rajai Davis | 02 | 160 | |
| Triples | 1 | Sam Haggerty | 17 | 13 |
| 2 | Ivan Castillo | 15 | 12 | |
| 3 | Tike Redman | 98 | 10 | |
| 4 | Wuilfredo Antunez | 24 | 9 | |
| 5 | Isaiah Greene | 22 | 8 | |
| 5 | Victor Gutierrez | 99 | 8 | |
| 5 | Derrick Lankford | 99 | 8 | |
| 5 | David Rohm | 13 | 8 | |
| 5 | Jose Peraza | 14 | 8 | |
| RBIs | 1 | Aramis Ramirez | 97 | 114 |
| 2 | Bobby Bradley | 16 | 102 | |
| 2 | Josh Bonifay | 02 | 102 | |
| 3 | Anthony Santander | 17 | 95 | |
| 4 | Jose Guillen | 96 | 94 | |
| 5 | Pat Magness | 05 | 92 | |
| Walks | 1 | Pat Magness | 05 | 141 |
| 2 | Isaiah Greene | 22 | 97 | |
| 3 | Eddy Furniss | 99 | 94 | |
| 4 | Jaison Chourio | 24 | 86 | |
| 5 | Chris Garcia | 12 | 85 |
| Category | Rank | Player | Year | Stat |
|---|---|---|---|---|
| ERA | 1 | Sean Burnett | 01 | 1.80 |
| 2 | Will Dion | 22 | 2.26 | |
| 3 | Jordan Hotchkiss | 10 | 2.30 | |
| 4 | Chris Peters | 95 | 2.43 | |
| 5 | Aaron France | 98 | 2.72 | |
| Wins | 1 | Sean Burnett | 02 | 13 |
| 1 | Gus Schlosser | 12 | 13 | |
| 3 | Triston McKenzie | 17 | 12 | |
| 3 | Sean Brady | 16 | 12 | |
| 3 | Landon Jacobsen | 02 | 12 | |
| 3 | Bronson Arroyo | 97 | 12 | |
| 3 | Larry Wimberly | 00 | 12 | |
| Losses | 1 | Andy Bausher | 99 | 15 |
| 2 | Ryan Ledden | 01 | 13 | |
| 3 | Jason Haynie | 00 | 12 | |
| 3 | Juan Hillman | 19 | 12 | |
| 3 | Kyle Bloom | 07 | 12 | |
| 3 | Todd Redmond | 07 | 12 | |
| Games | 1 | D.J. Carrasco | 02 | 55 |
| 2 | Jason Alcala | 02 | 54 | |
| 3 | Matt Spade | 96 | 53 | |
| 3 | Josh Higgins | 02 | 53 | |
| 5 | Two Tied | - | 51 | |
| Games Started | 1 | Kevin Pickford | 96 | 28 |
| 1 | Wardell Starling | 98 | 28 | |
| 1 | Kris Lambert | 98 | 28 | |
| 1 | Michael Crotta | 08 | 28 | |
| 1 | Andy Bausher | 08 | 28 | |
| 1 | Jarrett Miller | 14 | 28 | |
| 1 | Lucas Sims | 14 | 28 | |
| Innings | 1 | Kevin Pickford | 96 | 172.1 |
| 2 | Jeff Bennett | 01 | 166 | |
| 3 | Gus Schlosser | 12 | 165.1 | |
| 4 | Landon Jacobsen | 02 | 161.2 | |
| 5 | Kris Lambert | 98 | 160.2 | |
| Earned Runs | 1 | Ryan Ledden | 01 | 92 |
| 2 | Wardell Starling | 05 | 89 | |
| 3 | Mitch Brown | 15 | 81 | |
| 4 | Sean Brady | 16 | 80 | |
| 5 | Kyle Bloom | 07 | 79 | |
| Strikeouts | 1 | Triston McKenzie | 17 | 186 |
| 2 | Aaron Northcraft | 12 | 160 | |
| 3 | Kris Lambert | 98 | 145 | |
| 4 | Will Dion | 22 | 142 | |
| 5 | Kevin Phillips | 97 | 140 | |
| Walks | 1 | Mitch Brown | 16 | 77 |
| 1 | Mitch Brown | 15 | 77 | |
| 3 | John Dillinger | 95 | 67 | |
| 4 | Joe Maskivich | 97 | 63 | |
| 4 | Jarrett Miller | 13 | 63 | |
| Avg Against | 1 | Triston McKenzie | 17 | .203 |
| 2 | Will Dion | 22 | .207 | |
| 3 | John Dillinger | 96 | .207 | |
| 4 | Justin Brantley | 15 | .209 | |
| 5 | Sean Burnett | 02 | .210 |