Craig Nicholas Stammen (born March 9, 1984) is an American professional baseball manager and former pitcher who is the manager of the San Diego Padres of Major League Baseball (MLB). He played in MLB for the Washington Nationals and the Padres.
Stammen was selected by the Washington Nationals in the twelfth round of the 2005 Major League Baseball draft and was assigned to the Vermont Expos of the short-season Single-A New YorkâPenn League. He made seven starts and six relief appearances, accruing an ERA of 4.06 while striking out 32 batters and allowing 12 walks and 62 hits over 51 innings.
On January 30, 2024, Stammen re-joined the San Diego Padres organization as an assistant to the major league coaching staff and baseball operations department.
On November 6, 2025, the Padres announced Stammen as their new manager. He agreed to a three-year contract and began his managerial tenure with the 2026 season. He became MLB's only current manager who is a former pitcher.

Trophies 
Milestones
Former Youth Teams 
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| Positions Played | MLB | 2021 | 1 |
| Intentional Bases on Balls | MLB | 2021 | 0 |
| Sacrifice Flies | MLB | 2021 | 0 |
| Sacrifice Hits | MLB | 2021 | 2 |
| Times Hit by a Pitch | MLB | 2021 | 0 |
| GIDP | MLB | 2021 | 0 |
| Total Bases | MLB | 2021 | 1 |
| Rbat+ | MLB | 2021 | -36 |
| rOBA | MLB | 2021 | .180 |
| OPS+ | MLB | 2021 | 13 |
| OPS | MLB | 2021 | .400 |
| SLG | MLB | 2021 | .200 |
| OBP | MLB | 2021 | .200 |
| Hits/At Bats | MLB | 2021 | .200 |
| Strikeouts | MLB | 2021 | 3 |
| Bases on Balls/Walks | MLB | 2021 | 0 |
| Caught Stealing | MLB | 2021 | 0 |
| Stolen Bases | MLB | 2021 | 0 |
| Runs Batted In | MLB | 2021 | 0 |
| Home Runs | MLB | 2021 | 0 |
| Triples | MLB | 2021 | 0 |
| Doubles | MLB | 2021 | 0 |
| Hits | MLB | 2021 | 1 |
| Runs Scored | MLB | 2021 | 0 |
| At Bats | MLB | 2021 | 5 |
| Plate Appearances | MLB | 2021 | 7 |
| Games Played | MLB | 2021 | 64 |
| Wins Above Replacement for position players | MLB | 2021 | 0.0 |
|
|
| Positions Played | MLB | 2019 | 1 |
| Intentional Bases on Balls | MLB | 2019 | 0 |
| Sacrifice Flies | MLB | 2019 | 0 |
| Sacrifice Hits | MLB | 2019 | 0 |
| Times Hit by a Pitch | MLB | 2019 | 0 |
| GIDP | MLB | 2019 | 0 |
| Total Bases | MLB | 2019 | 0 |
| Rbat+ | MLB | 2019 | -133 |
| rOBA | MLB | 2019 | .000 |
| OPS+ | MLB | 2019 | -100 |
| OPS | MLB | 2019 | .000 |
| SLG | MLB | 2019 | .000 |
| OBP | MLB | 2019 | .000 |
| Hits/At Bats | MLB | 2019 | .000 |
| Strikeouts | MLB | 2019 | 1 |
| Bases on Balls/Walks | MLB | 2019 | 0 |
| Caught Stealing | MLB | 2019 | 0 |
| Stolen Bases | MLB | 2019 | 0 |
| Runs Batted In | MLB | 2019 | 0 |
| Home Runs | MLB | 2019 | 0 |
| Triples | MLB | 2019 | 0 |
| Doubles | MLB | 2019 | 0 |
| Hits | MLB | 2019 | 0 |
| Runs Scored | MLB | 2019 | 0 |
| At Bats | MLB | 2019 | 1 |
| Plate Appearances | MLB | 2019 | 1 |
| Games Played | MLB | 2019 | 72 |
| Wins Above Replacement for position players | MLB | 2019 | 0.0 |
|
|
| Positions Played | MLB | 2018 | 1 |
| Intentional Bases on Balls | MLB | 2018 | 0 |
| Sacrifice Flies | MLB | 2018 | 0 |
| Sacrifice Hits | MLB | 2018 | 0 |
| Times Hit by a Pitch | MLB | 2018 | 0 |
| GIDP | MLB | 2018 | 0 |
| Total Bases | MLB | 2018 | 0 |
| Strikeouts | MLB | 2018 | 0 |
| Bases on Balls/Walks | MLB | 2018 | 0 |
| Caught Stealing | MLB | 2018 | 0 |
| Stolen Bases | MLB | 2018 | 0 |
| Runs Batted In | MLB | 2018 | 0 |
| Home Runs | MLB | 2018 | 0 |
| Triples | MLB | 2018 | 0 |
| Doubles | MLB | 2018 | 0 |
| Hits | MLB | 2018 | 0 |
| Runs Scored | MLB | 2018 | 0 |
| At Bats | MLB | 2018 | 0 |
| Plate Appearances | MLB | 2018 | 0 |
| Games Played | MLB | 2018 | 68 |
| Wins Above Replacement for position players | MLB | 2018 | 0.0 |
|
|
| Positions Played | MLB | 2017 | 1 |
| Intentional Bases on Balls | MLB | 2017 | 0 |
| Sacrifice Flies | MLB | 2017 | 0 |
| Sacrifice Hits | MLB | 2017 | 0 |
| Times Hit by a Pitch | MLB | 2017 | 0 |
| GIDP | MLB | 2017 | 0 |
| Total Bases | MLB | 2017 | 4 |
| Rbat+ | MLB | 2017 | 253 |
| rOBA | MLB | 2017 | .541 |
| OPS+ | MLB | 2017 | 247 |
| OPS | MLB | 2017 | 1.292 |
| SLG | MLB | 2017 | .667 |
| OBP | MLB | 2017 | .625 |
| Hits/At Bats | MLB | 2017 | .500 |
| Strikeouts | MLB | 2017 | 2 |
| Bases on Balls/Walks | MLB | 2017 | 2 |
| Caught Stealing | MLB | 2017 | 0 |
| Stolen Bases | MLB | 2017 | 0 |
| Runs Batted In | MLB | 2017 | 0 |
| Home Runs | MLB | 2017 | 0 |
| Triples | MLB | 2017 | 0 |
| Doubles | MLB | 2017 | 1 |
| Hits | MLB | 2017 | 3 |
| Runs Scored | MLB | 2017 | 2 |
| At Bats | MLB | 2017 | 6 |
| Plate Appearances | MLB | 2017 | 8 |
| Games Played | MLB | 2017 | 57 |
| Wins Above Replacement for position players | MLB | 2017 | 0.3 |
|
|
| Positions Played | MLB | 2015 | /1 |
| Intentional Bases on Balls | MLB | 2015 | 0 |
| Sacrifice Flies | MLB | 2015 | 0 |
| Sacrifice Hits | MLB | 2015 | 0 |
| Times Hit by a Pitch | MLB | 2015 | 0 |
| GIDP | MLB | 2015 | 0 |
| Total Bases | MLB | 2015 | 0 |
| Strikeouts | MLB | 2015 | 0 |
| Bases on Balls/Walks | MLB | 2015 | 0 |
| Caught Stealing | MLB | 2015 | 0 |
| Stolen Bases | MLB | 2015 | 0 |
| Runs Batted In | MLB | 2015 | 0 |
| Home Runs | MLB | 2015 | 0 |
| Triples | MLB | 2015 | 0 |
| Doubles | MLB | 2015 | 0 |
| Hits | MLB | 2015 | 0 |
| Runs Scored | MLB | 2015 | 0 |
| At Bats | MLB | 2015 | 0 |
| Plate Appearances | MLB | 2015 | 0 |
| Games Played | MLB | 2015 | 4 |
| Wins Above Replacement for position players | MLB | 2015 | 0.0 |
|
|
| Positions Played | MLB | 2014 | 1 |
| Intentional Bases on Balls | MLB | 2014 | 0 |
| Sacrifice Flies | MLB | 2014 | 0 |
| Sacrifice Hits | MLB | 2014 | 1 |
| Times Hit by a Pitch | MLB | 2014 | 0 |
| GIDP | MLB | 2014 | 0 |
| Total Bases | MLB | 2014 | 3 |
| Rbat+ | MLB | 2014 | 74 |
| rOBA | MLB | 2014 | .298 |
| OPS+ | MLB | 2014 | 94 |
| OPS | MLB | 2014 | .714 |
| SLG | MLB | 2014 | .429 |
| OBP | MLB | 2014 | .286 |
| Hits/At Bats | MLB | 2014 | .286 |
| Strikeouts | MLB | 2014 | 4 |
| Bases on Balls/Walks | MLB | 2014 | 0 |
| Caught Stealing | MLB | 2014 | 0 |
| Stolen Bases | MLB | 2014 | 0 |
| Runs Batted In | MLB | 2014 | 0 |
| Home Runs | MLB | 2014 | 0 |
| Triples | MLB | 2014 | 0 |
| Doubles | MLB | 2014 | 1 |
| Hits | MLB | 2014 | 2 |
| Runs Scored | MLB | 2014 | 0 |
| At Bats | MLB | 2014 | 7 |
| Plate Appearances | MLB | 2014 | 8 |
| Games Played | MLB | 2014 | 46 |
| Wins Above Replacement for position players | MLB | 2014 | 0.1 |
|
|
| Positions Played | MLB | 2013 | 1 |
| Intentional Bases on Balls | MLB | 2013 | 0 |
| Sacrifice Flies | MLB | 2013 | 0 |
| Sacrifice Hits | MLB | 2013 | 0 |
| Times Hit by a Pitch | MLB | 2013 | 0 |
| GIDP | MLB | 2013 | 1 |
| Total Bases | MLB | 2013 | 0 |
| Rbat+ | MLB | 2013 | -61 |
| rOBA | MLB | 2013 | .115 |
| OPS+ | MLB | 2013 | -49 |
| OPS | MLB | 2013 | .167 |
| SLG | MLB | 2013 | .000 |
| OBP | MLB | 2013 | .167 |
| Hits/At Bats | MLB | 2013 | .000 |
| Strikeouts | MLB | 2013 | 2 |
| Bases on Balls/Walks | MLB | 2013 | 1 |
| Caught Stealing | MLB | 2013 | 0 |
| Stolen Bases | MLB | 2013 | 0 |
| Runs Batted In | MLB | 2013 | 0 |
| Home Runs | MLB | 2013 | 0 |
| Triples | MLB | 2013 | 0 |
| Doubles | MLB | 2013 | 0 |
| Hits | MLB | 2013 | 0 |
| Runs Scored | MLB | 2013 | 0 |
| At Bats | MLB | 2013 | 5 |
| Plate Appearances | MLB | 2013 | 6 |
| Games Played | MLB | 2013 | 51 |
| Wins Above Replacement for position players | MLB | 2013 | -0.1 |
|
|
| Positions Played | MLB | 2012 | 1 |
| Intentional Bases on Balls | MLB | 2012 | 0 |
| Sacrifice Flies | MLB | 2012 | 0 |
| Sacrifice Hits | MLB | 2012 | 2 |
| Times Hit by a Pitch | MLB | 2012 | 0 |
| GIDP | MLB | 2012 | 0 |
| Total Bases | MLB | 2012 | 0 |
| Rbat+ | MLB | 2012 | -77 |
| rOBA | MLB | 2012 | .151 |
| OPS+ | MLB | 2012 | -100 |
| OPS | MLB | 2012 | .000 |
| SLG | MLB | 2012 | .000 |
| OBP | MLB | 2012 | .000 |
| Hits/At Bats | MLB | 2012 | .000 |
| Strikeouts | MLB | 2012 | 4 |
| Bases on Balls/Walks | MLB | 2012 | 0 |
| Caught Stealing | MLB | 2012 | 0 |
| Stolen Bases | MLB | 2012 | 0 |
| Runs Batted In | MLB | 2012 | 0 |
| Home Runs | MLB | 2012 | 0 |
| Triples | MLB | 2012 | 0 |
| Doubles | MLB | 2012 | 0 |
| Hits | MLB | 2012 | 0 |
| Runs Scored | MLB | 2012 | 0 |
| At Bats | MLB | 2012 | 6 |
| Plate Appearances | MLB | 2012 | 8 |
| Games Played | MLB | 2012 | 55 |
| Wins Above Replacement for position players | MLB | 2012 | 0.0 |
|
|
| Positions Played | MLB | 2011 | 1/H |
| Intentional Bases on Balls | MLB | 2011 | 0 |
| Sacrifice Flies | MLB | 2011 | 1 |
| Sacrifice Hits | MLB | 2011 | 3 |
| Times Hit by a Pitch | MLB | 2011 | 0 |
| GIDP | MLB | 2011 | 2 |
| Total Bases | MLB | 2011 | 12 |
| Rbat+ | MLB | 2011 | 34 |
| rOBA | MLB | 2011 | .250 |
| OPS+ | MLB | 2011 | 52 |
| OPS | MLB | 2011 | .566 |
| SLG | MLB | 2011 | .316 |
| OBP | MLB | 2011 | .250 |
| Hits/At Bats | MLB | 2011 | .237 |
| Strikeouts | MLB | 2011 | 15 |
| Bases on Balls/Walks | MLB | 2011 | 1 |
| Caught Stealing | MLB | 2011 | 0 |
| Stolen Bases | MLB | 2011 | 0 |
| Runs Batted In | MLB | 2011 | 6 |
| Home Runs | MLB | 2011 | 0 |
| Triples | MLB | 2011 | 0 |
| Doubles | MLB | 2011 | 3 |
| Hits | MLB | 2011 | 9 |
| Runs Scored | MLB | 2011 | 2 |
| At Bats | MLB | 2011 | 38 |
| Plate Appearances | MLB | 2011 | 43 |
| Games Played | MLB | 2011 | 36 |
| Wins Above Replacement for position players | MLB | 2011 | 0.2 |
|
|
| Positions Played | MLB | 2010 | 1/H |
| Intentional Bases on Balls | MLB | 2010 | 0 |
| Sacrifice Flies | MLB | 2010 | 1 |
| Sacrifice Hits | MLB | 2010 | 3 |
| Times Hit by a Pitch | MLB | 2010 | 0 |
| GIDP | MLB | 2010 | 2 |
| Total Bases | MLB | 2010 | 12 |
| Rbat+ | MLB | 2010 | 34 |
| rOBA | MLB | 2010 | .250 |
| OPS+ | MLB | 2010 | 52 |
| OPS | MLB | 2010 | .566 |
| SLG | MLB | 2010 | .316 |
| OBP | MLB | 2010 | .250 |
| Hits/At Bats | MLB | 2010 | .237 |
| Strikeouts | MLB | 2010 | 15 |
| Bases on Balls/Walks | MLB | 2010 | 1 |
| Caught Stealing | MLB | 2010 | 0 |
| Stolen Bases | MLB | 2010 | 0 |
| Runs Batted In | MLB | 2010 | 6 |
| Home Runs | MLB | 2010 | 0 |
| Triples | MLB | 2010 | 0 |
| Doubles | MLB | 2010 | 3 |
| Hits | MLB | 2010 | 9 |
| Runs Scored | MLB | 2010 | 2 |
| At Bats | MLB | 2010 | 38 |
| Plate Appearances | MLB | 2010 | 43 |
| Games Played | MLB | 2010 | 36 |
| Wins Above Replacement for position players | MLB | 2010 | 0.2 |
|