Regarding the 2023 campaign, Kevin Ginkel is ahead of the pack in win-loss % with 1.000. Ranking in second place is Ryan Brasier, bearing a win-loss % total of 1.000. With a mark of 1, Bryse Wilson comes in at the third position. Finishing out the top 5 are Jordan Weems (1) and Will Vest (1).
2023 MLB Win-Loss Percentage Leaders
| W-L% Rank | Team | W-L% |
|---|
| 1st | Kevin Ginkel | 1.000 |
| 2nd | Ryan Brasier | 1.000 |
| 3rd | Bryse Wilson | 1.000 |
| 4th | Jordan Weems | 1.000 |
| 5th | Will Vest | 1.000 |
| 6th | JT Chargois | 1.000 |
| 7th | Shawn Armstrong | 1.000 |
| 8th | Jose Ferrer | 1.000 |
| 9th | Nick Anderson | 1.000 |
| 10th | Ryan Borucki | 1.000 |
| 11th | Shelby Miller | 1.000 |
| 12th | Daniel Duarte | 1.000 |
| 13th | Trevor Megill | 1.000 |
| 14th | Abner Uribe | 1.000 |
| 15th | Andrew Bellatti | 1.000 |
| 16th | Richard Bleier | 1.000 |
| 17th | Justin Bruihl | 1.000 |
| 18th | Nick Wittgren | 1.000 |
| 19th | Yohan Ramirez | 1.000 |
| 20th | Brock Stewart | 1.000 |
| 21st | Matt Barnes | 1.000 |
| 22nd | Luis Frias | 1.000 |
| 23rd | Dylan Lee | 1.000 |
| 24th | Andrew Wantz | 1.000 |
| 25th | Gavin Hollowell | 1.000 |
| 26th | Joe La Sorsa | 1.000 |
| 27th | Rob Zastryzny | 1.000 |
| 28th | Bowden Francis | 1.000 |
| 29th | Jackson Kowar | 1.000 |
| 30th | Duane Underwood Jr. | 1.000 |
2022 MLB Win-Loss Percentage Leaders
| W-L% Rank | Team | W-L% |
|---|
| 1st | Penn Murfee | 1.000 |
| 2nd | Jose Ruiz | 1.000 |
| 3rd | Alex Vesia | 1.000 |
| 4th | Jason Foley | 1.000 |
| 5th | Bryan Abreu | 1.000 |
| 6th | Tim Hill | 1.000 |
| 7th | Matt Festa | 1.000 |
| 8th | Andres Machado | 1.000 |
| 9th | Enyel De Los Santos | 1.000 |
| 10th | Lucas Gilbreath | 1.000 |
| 11th | Ron Marinaccio | 1.000 |
| 12th | David Price | 1.000 |
| 13th | James Karinchak | 1.000 |
| 14th | Caleb Ferguson | 1.000 |
| 15th | Tanner Banks | 1.000 |
| 16th | Jeff Hoffman | 1.000 |
| 17th | Zach Pop | 1.000 |
| 18th | Miguel Castro | 1.000 |
| 19th | Ryan Borucki | 1.000 |
| 20th | Nick Wittgren | 1.000 |
| 21st | Jose Cisnero | 1.000 |
| 22nd | Wily Peralta | 1.000 |
| 23rd | Jandel Gustave | 1.000 |
| 24th | Jake Woodford | 1.000 |
| 25th | Trevor May | 1.000 |
| 26th | Bennett Sousa | 1.000 |
| 27th | Nick Vespi | 1.000 |
| 28th | Ty Blach | 1.000 |
| 29th | Colin Holderman | 1.000 |
| 30th | J.P. Feyereisen | 1.000 |
2021 MLB Win-Loss Percentage Leaders
| W-L% Rank | Team | W-L% |
|---|
| 1st | Aaron Loup | 1.000 |
| 2nd | Phil Maton | 1.000 |
| 3rd | Zack Littell | 1.000 |
| 4th | Josh Taylor | 1.000 |
| 5th | Caleb Thielbar | 1.000 |
| 6th | Zach Pop | 1.000 |
| 7th | Joe Kelly | 1.000 |
| 8th | Edgar Santana | 1.000 |
| 9th | Josh Tomlin | 1.000 |
| 10th | Brusdar Graterol | 1.000 |
| 11th | Sean Newcomb | 1.000 |
| 12th | Will Vest | 1.000 |
| 13th | Shawn Armstrong | 1.000 |
| 14th | Jake Cousins | 1.000 |
| 15th | Nick Mears | 1.000 |
| 16th | Albert Abreu | 1.000 |
| 17th | Dillon Maples | 1.000 |
| 18th | Phillips Valdez | 1.000 |
| 19th | Louis Head | 1.000 |
| 20th | Corey Knebel | 1.000 |
| 21st | Drew Pomeranz | 1.000 |
| 22nd | Art Warren | 1.000 |
| 23rd | Tejay Antone | 1.000 |
| 24th | Jharel Cotton | 1.000 |
| 25th | Marcos Diplan | 1.000 |
| 26th | Justin Miller | 1.000 |
| 27th | Yacksel Rios | 1.000 |
| 28th | Andrew Wantz | 1.000 |
| 29th | Richard Lovelady | 1.000 |
| 30th | Justin Lawrence | 1.000 |
2020 MLB Win-Loss Percentage Leaders
| W-L% Rank | Team | W-L% |
|---|
| 1st | Mike Mayers | 1.000 |
| 2nd | Shane Greene | 1.000 |
| 3rd | Greg Holland | 1.000 |
| 4th | Ryan Brasier | 1.000 |
| 5th | Jeurys Familia | 1.000 |
| 6th | Kyle Finnegan | 1.000 |
| 7th | Dylan Floro | 1.000 |
| 8th | Felix Pena | 1.000 |
| 9th | Nick Wittgren | 1.000 |
| 10th | Yency Almonte | 1.000 |
| 11th | A.J. Cole | 1.000 |
| 12th | James Hoyt | 1.000 |
| 13th | Trevor May | 1.000 |
| 14th | Eric Yardley | 1.000 |
| 15th | Brad Boxberger | 1.000 |
| 16th | Buck Farmer | 1.000 |
| 17th | Ryne Harper | 1.000 |
| 18th | Tim Hill | 1.000 |
| 19th | T.J. McFarland | 1.000 |
| 20th | Hector Rondon | 1.000 |
| 21st | Trevor Rosenthal | 1.000 |
| 22nd | Diego Castillo | 1.000 |
| 23rd | Paul Fry | 1.000 |
| 24th | Heath Hembree | 1.000 |
| 25th | Wander Suero | 1.000 |
| 26th | Austin Brice | 1.000 |
| 27th | Alex Colome | 1.000 |
| 28th | Jake Diekman | 1.000 |
| 29th | Amir Garrett | 1.000 |
| 30th | Geoff Hartlieb | 1.000 |
2019 MLB Win-Loss Percentage Leaders
| W-L% Rank | Team | W-L% |
|---|
| 1st | Will Smith | 1.000 |
| 2nd | Josh Osich | 1.000 |
| 3rd | Justin Anderson | 1.000 |
| 4th | Richard Bleier | 1.000 |
| 5th | Tyler Clippard | 1.000 |
| 6th | Trevor Gott | 1.000 |
| 7th | Tim Hill | 1.000 |
| 8th | Luis Avilan | 1.000 |
| 9th | Jerry Blevins | 1.000 |
| 10th | Heath Hembree | 1.000 |
| 11th | Dominic Leone | 1.000 |
| 12th | Edgar Garcia | 1.000 |
| 13th | Andrew Kittredge | 1.000 |
| 14th | Austin Brice | 1.000 |
| 15th | Jacob Webb | 1.000 |
| 16th | Casey Sadler | 1.000 |
| 17th | Keone Kela | 1.000 |
| 18th | Rowan Wick | 1.000 |
| 19th | Zack Littell | 1.000 |
| 20th | Stefan Crichton | 1.000 |
| 21st | Mike Dunn | 1.000 |
| 22nd | Jay Jackson | 1.000 |
| 23rd | Zac Rosscup | 1.000 |
| 24th | Joe Smith | 1.000 |
| 25th | Matt Bowman | 1.000 |
| 26th | Seranthony Dominguez | 1.000 |
| 27th | Jake Newberry | 1.000 |
| 28th | Gerardo Reyes | 1.000 |
| 29th | Kevin Ginkel | 1.000 |
| 30th | Elvis Luciano | 1.000 |
2018 MLB Win-Loss Percentage Leaders
| W-L% Rank | Team | W-L% |
|---|
| 1st | Dan Winkler | 1.000 |
| 2nd | Aroldis Chapman | 1.000 |
| 3rd | Ryan Buchter | 1.000 |
| 4th | Shawn Kelley | 1.000 |
| 5th | Xavier Cedeno | 1.000 |
| 6th | Brian Duensing | 1.000 |
| 7th | Chasen Bradford | 1.000 |
| 8th | Randy Rosario | 1.000 |
| 9th | Zack Britton | 1.000 |
| 10th | Tim Mayza | 1.000 |
| 11th | Wily Peralta | 1.000 |
| 12th | Ryan Brasier | 1.000 |
| 13th | Richard Bleier | 1.000 |
| 14th | Silvino Bracho | 1.000 |
| 15th | Erik Goeddel | 1.000 |
| 16th | Adam Kolarek | 1.000 |
| 17th | Corbin Burnes | 1.000 |
| 18th | Tyler Lyons | 1.000 |
| 19th | Tyler Thornburg | 1.000 |
| 20th | Tommy Kahnle | 1.000 |
| 21st | Tony Barnette | 1.000 |
| 22nd | Bobby Poyner | 1.000 |
| 23rd | Brandon Woodruff | 1.000 |
| 24th | Zac Reininger | 1.000 |
| 25th | Vidal Nuno III | 1.000 |
| 26th | Boone Logan | 1.000 |
| 27th | Daniel Zamora | 1.000 |
| 28th | Kyle Crockett | 1.000 |
| 29th | Edward Paredes | 1.000 |
| 30th | Jake Newberry | 1.000 |
2017 MLB Win-Loss Percentage Leaders
| W-L% Rank | Team | W-L% |
|---|
| 1st | Jerry Blevins | 1.000 |
| 2nd | Andrew Chafin | 1.000 |
| 3rd | Craig Kimbrel | 1.000 |
| 4th | Kenley Jansen | 1.000 |
| 5th | Dominic Leone | 1.000 |
| 6th | Joe Smith | 1.000 |
| 7th | Sam Freeman | 1.000 |
| 8th | Josh Fields | 1.000 |
| 9th | Sean Doolittle | 1.000 |
| 10th | Dan Otero | 1.000 |
| 11th | Donnie Hart | 1.000 |
| 12th | Jason Motte | 1.000 |
| 13th | Brandon Morrow | 1.000 |
| 14th | James Hoyt | 1.000 |
| 15th | Luke Jackson | 1.000 |
| 16th | Matt Grace | 1.000 |
| 17th | Chad Green | 1.000 |
| 18th | Buddy Boshers | 1.000 |
| 19th | Boone Logan | 1.000 |
| 20th | Carlos Estevez | 1.000 |
| 21st | Blaine Hardy | 1.000 |
| 22nd | Kevin McCarthy | 1.000 |
| 23rd | A.J. Schugel | 1.000 |
| 24th | Tyler Olson | 1.000 |
| 25th | Sammy Solis | 1.000 |
| 26th | Chasen Bradford | 1.000 |
| 27th | Felix Pena | 1.000 |
| 28th | Matt Dermody | 1.000 |
| 29th | Michael Ynoa | 1.000 |
| 30th | Shawn Armstrong | 1.000 |
2016 MLB Win-Loss Percentage Leaders
| W-L% Rank | Team | W-L% |
|---|
| 1st | Travis Wood | 1.000 |
| 2nd | Marc Rzepczynski | 1.000 |
| 3rd | Antonio Bastardo | 1.000 |
| 4th | Hunter Cervenka | 1.000 |
| 5th | Ryan Buchter | 1.000 |
| 6th | Ian Krol | 1.000 |
| 7th | Alex Wilson | 1.000 |
| 8th | Enny Romero | 1.000 |
| 9th | Peter Moylan | 1.000 |
| 10th | Chris Withrow | 1.000 |
| 11th | Cam Bedrosian | 1.000 |
| 12th | Deolis Guerra | 1.000 |
| 13th | Chad Qualls | 1.000 |
| 14th | Sergio Romo | 1.000 |
| 15th | Chien-Ming Wang | 1.000 |
| 16th | Buddy Boshers | 1.000 |
| 17th | Josh Fields | 1.000 |
| 18th | Danny Farquhar | 1.000 |
| 19th | Jose Dominguez | 1.000 |
| 20th | Fernando Rodriguez Jr. | 1.000 |
| 21st | Tyler Lyons | 1.000 |
| 22nd | Chaz Roe | 1.000 |
| 23rd | A.J. Achter | 1.000 |
| 24th | Luis Avilan | 1.000 |
| 25th | Michael Mariot | 1.000 |
| 26th | Zach Putnam | 1.000 |
| 27th | Greg Mahle | 1.000 |
| 28th | Michael Ynoa | 1.000 |
| 29th | Blaine Hardy | 1.000 |
| 30th | Joe Kelly | 1.000 |
2015 MLB Win-Loss Percentage Leaders
| W-L% Rank | Team | W-L% |
|---|
| 1st | Javier Lopez | 1.000 |
| 2nd | Justin Wilson | 1.000 |
| 3rd | Jeremy Jeffress | 1.000 |
| 4th | Randy Choate | 1.000 |
| 5th | Neal Cotts | 1.000 |
| 6th | Jean Machi | 1.000 |
| 7th | Liam Hendriks | 1.000 |
| 8th | Ryan Webb | 1.000 |
| 9th | Josh Osich | 1.000 |
| 10th | Bruce Rondon | 1.000 |
| 11th | Cam Bedrosian | 1.000 |
| 12th | Jason Frasor | 1.000 |
| 13th | Jeff Manship | 1.000 |
| 14th | Steve Delabar | 1.000 |
| 15th | Matt Albers | 1.000 |
| 16th | Carter Capps | 1.000 |
| 17th | Austin Adams | 1.000 |
| 18th | Andrew McKirahan | 1.000 |
| 19th | Daniel Webb | 1.000 |
| 20th | Ernesto Frieri | 1.000 |
| 21st | Mychal Givens | 1.000 |
| 22nd | Heath Hembree | 1.000 |
| 23rd | Peter Moylan | 1.000 |
| 24th | Jason Garcia | 1.000 |
| 25th | David Goforth | 1.000 |
| 26th | Adam Loewen | 1.000 |
| 27th | Drew VerHagen | 1.000 |
| 28th | Kirby Yates | 1.000 |
| 29th | Dalier Hinojosa | 1.000 |
| 30th | Vinnie Pestano | 1.000 |
2014 MLB Win-Loss Percentage Leaders
| W-L% Rank | Team | W-L% |
|---|
| 1st | Scott Atchison | 1.000 |
| 2nd | Dellin Betances | 1.000 |
| 3rd | AJ Ramos | 1.000 |
| 4th | Fernando Salas | 1.000 |
| 5th | Nick Masset | 1.000 |
| 6th | Aaron Barrett | 1.000 |
| 7th | Josh Edgin | 1.000 |
| 8th | Sam Freeman | 1.000 |
| 9th | Josh Outman | 1.000 |
| 10th | Nick Hagadone | 1.000 |
| 11th | Eric Surkamp | 1.000 |
| 12th | Esmil Rogers | 1.000 |
| 13th | Louis Coleman | 1.000 |
| 14th | Steve Delabar | 1.000 |
| 15th | Jason Motte | 1.000 |
| 16th | Eury De La Rosa | 1.000 |
| 17th | Ryan Pressly | 1.000 |
| 18th | George Kontos | 1.000 |
| 19th | Kevin Chapman | 1.000 |
| 20th | Eric O’Flaherty | 1.000 |
| 21st | Paco Rodriguez | 1.000 |
| 22nd | Preston Claiborne | 1.000 |
| 23rd | Zac Rosscup | 1.000 |
| 24th | Alex Wilson | 1.000 |
| 25th | Michael Mariot | 1.000 |
| 26th | Donn Roach | 1.000 |
| 27th | Luis Garcia | 1.000 |
| 28th | B.J. Rosenberg | 1.000 |
| 29th | Evan Scribner | 1.000 |
| 30th | Rob Scahill | 1.000 |
