Jeremy David Affeldt (/ˈæfɛlt/; born June 6, 1979) is an American former professional baseball pitcher. He threw and batted left-handed and played in Major League Baseball (MLB) for the Kansas City Royals, Colorado Rockies, Cincinnati Reds and San Francisco Giants.
Affeldt was a third-round draft pick by the Kansas City Royals in 1997 MLB draft. He made the team in 2002, and started part of the year for them. In five seasons with the Royals, Affeldt bounced back and forth between the starting rotation and the bullpen. In 2006, he was traded to the Colorado Rockies at the trade deadline, and was a member of the Rockies 2007 World Series team. After one season with the Cincinnati Reds, he signed with the San Francisco Giants in 2009, where he was a member of the 2010, 2012, and 2014 World Series championship teams.
Trophies 
None found...
None found...
| 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 |
| Rbat+ | MLB | 2015 | -136 |
| rOBA | MLB | 2015 | .000 |
| OPS+ | MLB | 2015 | -100 |
| OPS | MLB | 2015 | .000 |
| SLG | MLB | 2015 | .000 |
| OBP | MLB | 2015 | .000 |
| Hits/At Bats | MLB | 2015 | .000 |
| Strikeouts | MLB | 2015 | 2 |
| 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 | 2 |
| Plate Appearances | MLB | 2015 | 2 |
| Games Played | MLB | 2015 | 47 |
| 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 | 0 |
| Times Hit by a Pitch | MLB | 2014 | 0 |
| GIDP | MLB | 2014 | 0 |
| Total Bases | MLB | 2014 | 0 |
| Strikeouts | MLB | 2014 | 0 |
| 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 | 0 |
| Hits | MLB | 2014 | 0 |
| Runs Scored | MLB | 2014 | 0 |
| At Bats | MLB | 2014 | 0 |
| Plate Appearances | MLB | 2014 | 0 |
| Games Played | MLB | 2014 | 59 |
| Wins Above Replacement for position players | MLB | 2014 | 0.0 |
|
|
| 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 | 0 |
| Total Bases | MLB | 2013 | 0 |
| Strikeouts | MLB | 2013 | 0 |
| Bases on Balls/Walks | MLB | 2013 | 0 |
| 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 | 0 |
| Plate Appearances | MLB | 2013 | 0 |
| Games Played | MLB | 2013 | 39 |
| Wins Above Replacement for position players | MLB | 2013 | 0.0 |
|
|
| Positions Played | MLB | 2012 | 1 |
| Intentional Bases on Balls | MLB | 2012 | 0 |
| Sacrifice Flies | MLB | 2012 | 0 |
| Sacrifice Hits | MLB | 2012 | 0 |
| Times Hit by a Pitch | MLB | 2012 | 0 |
| GIDP | MLB | 2012 | 0 |
| Total Bases | MLB | 2012 | 0 |
| Rbat+ | MLB | 2012 | -127 |
| rOBA | MLB | 2012 | .000 |
| 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 | 0 |
| 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 | 1 |
| Plate Appearances | MLB | 2012 | 1 |
| Games Played | MLB | 2012 | 62 |
| Wins Above Replacement for position players | MLB | 2012 | 0.0 |
|
|
| Positions Played | MLB | 2011 | 1 |
| Intentional Bases on Balls | MLB | 2011 | 0 |
| Sacrifice Flies | MLB | 2011 | 0 |
| Sacrifice Hits | MLB | 2011 | 0 |
| Times Hit by a Pitch | MLB | 2011 | 0 |
| GIDP | MLB | 2011 | 0 |
| Total Bases | MLB | 2011 | 0 |
| Rbat+ | MLB | 2011 | -145 |
| rOBA | MLB | 2011 | .000 |
| OPS+ | MLB | 2011 | -100 |
| OPS | MLB | 2011 | .000 |
| SLG | MLB | 2011 | .000 |
| OBP | MLB | 2011 | .000 |
| Hits/At Bats | MLB | 2011 | .000 |
| Strikeouts | MLB | 2011 | 1 |
| Bases on Balls/Walks | MLB | 2011 | 0 |
| Caught Stealing | MLB | 2011 | 0 |
| Stolen Bases | MLB | 2011 | 0 |
| Runs Batted In | MLB | 2011 | 0 |
| Home Runs | MLB | 2011 | 0 |
| Triples | MLB | 2011 | 0 |
| Doubles | MLB | 2011 | 0 |
| Hits | MLB | 2011 | 0 |
| Runs Scored | MLB | 2011 | 0 |
| At Bats | MLB | 2011 | 1 |
| Plate Appearances | MLB | 2011 | 1 |
| Games Played | MLB | 2011 | 51 |
| Wins Above Replacement for position players | MLB | 2011 | 0.0 |
|
|
| Positions Played | MLB | 2010 | 1 |
| Intentional Bases on Balls | MLB | 2010 | 0 |
| Sacrifice Flies | MLB | 2010 | 0 |
| Sacrifice Hits | MLB | 2010 | 0 |
| Times Hit by a Pitch | MLB | 2010 | 0 |
| GIDP | MLB | 2010 | 0 |
| Total Bases | MLB | 2010 | 0 |
| Rbat+ | MLB | 2010 | -145 |
| rOBA | MLB | 2010 | .000 |
| OPS+ | MLB | 2010 | -100 |
| OPS | MLB | 2010 | .000 |
| SLG | MLB | 2010 | .000 |
| OBP | MLB | 2010 | .000 |
| Hits/At Bats | MLB | 2010 | .000 |
| Strikeouts | MLB | 2010 | 1 |
| Bases on Balls/Walks | MLB | 2010 | 0 |
| Caught Stealing | MLB | 2010 | 0 |
| Stolen Bases | MLB | 2010 | 0 |
| Runs Batted In | MLB | 2010 | 0 |
| Home Runs | MLB | 2010 | 0 |
| Triples | MLB | 2010 | 0 |
| Doubles | MLB | 2010 | 0 |
| Hits | MLB | 2010 | 0 |
| Runs Scored | MLB | 2010 | 0 |
| At Bats | MLB | 2010 | 1 |
| Plate Appearances | MLB | 2010 | 1 |
| Games Played | MLB | 2010 | 51 |
| Wins Above Replacement for position players | MLB | 2010 | 0.0 |
|
|
| SO/BB | MLB | 2006 | 0.67 |
| SO9 | MLB | 2006 | 3.6 |
| BB9 | MLB | 2006 | 5.4 |
| HR9 | MLB | 2006 | 1.2 |
| H9 | MLB | 2006 | 9.1 |
| WHIP | MLB | 2006 | 1.614 |
| Fielding Independent Pitching | MLB | 2006 | 5.86 |
| ERA+ | MLB | 2006 | 80 |
| Batters Faced | MLB | 2006 | 320 |
| Wild Pitches | MLB | 2006 | 2 |
| Balks | MLB | 2006 | 0 |
| Home Runs Allowed | MLB | 2006 | 9 |
| Earned Runs Allowed | MLB | 2006 | 46 |
| Runs Allowed | MLB | 2006 | 51 |
| Hits Allowed | MLB | 2006 | 71 |
| Innings Pitched | MLB | 2006 | 70.0 |
| Saves | MLB | 2006 | 0 |
| Shutouts | MLB | 2006 | 0 |
| Complete Games | MLB | 2006 | 0 |
| Games Finished | MLB | 2006 | 3 |
| Games Started | MLB | 2006 | 9 |
| Games Pitched | MLB | 2006 | 27 |
| ERA | MLB | 2006 | 5.91 |
| Win-Loss Percentage | MLB | 2006 | .400 |
| Loss | MLB | 2006 | 6 |
| Wins | MLB | 2006 | 4 |
| Wins Above Replacement for Pitchers | MLB | 2006 | -0.5 |
| Positions Played | MLB | 2006 | 1 |
| Intentional Bases on Balls | MLB | 2006 | 0 |
| Sacrifice Flies | MLB | 2006 | 0 |
| Sacrifice Hits | MLB | 2006 | 0 |
| Times Hit by a Pitch | MLB | 2006 | 0 |
| GIDP | MLB | 2006 | 0 |
| Total Bases | MLB | 2006 | 0 |
| Rbat+ | MLB | 2006 | -140 |
| rOBA | MLB | 2006 | .000 |
| OPS+ | MLB | 2006 | -100 |
| OPS | MLB | 2006 | .000 |
| SLG | MLB | 2006 | .000 |
| OBP | MLB | 2006 | .000 |
| Hits/At Bats | MLB | 2006 | .000 |
| Strikeouts | MLB | 2006 | 1 |
| Bases on Balls/Walks | MLB | 2006 | 0 |
| Caught Stealing | MLB | 2006 | 0 |
| Stolen Bases | MLB | 2006 | 0 |
| Runs Batted In | MLB | 2006 | 0 |
| Home Runs | MLB | 2006 | 0 |
| Triples | MLB | 2006 | 0 |
| Doubles | MLB | 2006 | 0 |
| Hits | MLB | 2006 | 0 |
| Runs Scored | MLB | 2006 | 0 |
| At Bats | MLB | 2006 | 2 |
| Plate Appearances | MLB | 2006 | 2 |
| Games Played | MLB | 2006 | 3 |
| Wins Above Replacement for position players | MLB | 2006 | 0.0 |
|
|
| SO/BB | MLB | 2005 | 1.34 |
| SO9 | MLB | 2005 | 7.1 |
| BB9 | MLB | 2005 | 5.3 |
| HR9 | MLB | 2005 | 0.5 |
| H9 | MLB | 2005 | 10.1 |
| WHIP | MLB | 2005 | 1.711 |
| Fielding Independent Pitching | MLB | 2005 | 3.99 |
| ERA+ | MLB | 2005 | 84 |
| Batters Faced | MLB | 2005 | 232 |
| Wild Pitches | MLB | 2005 | 5 |
| Balks | MLB | 2005 | 0 |
| Home Runs Allowed | MLB | 2005 | 3 |
| Earned Runs Allowed | MLB | 2005 | 29 |
| Runs Allowed | MLB | 2005 | 35 |
| Hits Allowed | MLB | 2005 | 56 |
| Innings Pitched | MLB | 2005 | 49.2 |
| Saves | MLB | 2005 | 0 |
| Shutouts | MLB | 2005 | 0 |
| Complete Games | MLB | 2005 | 0 |
| Games Finished | MLB | 2005 | 13 |
| Games Started | MLB | 2005 | 0 |
| Games Pitched | MLB | 2005 | 49 |
| ERA | MLB | 2005 | 5.26 |
| Win-Loss Percentage | MLB | 2005 | .000 |
| Loss | MLB | 2005 | 2 |
| Wins | MLB | 2005 | 0 |
| Wins Above Replacement for Pitchers | MLB | 2005 | -0.3 |
| Positions Played | MLB | 2005 | 1 |
| Intentional Bases on Balls | MLB | 2005 | 0 |
| Sacrifice Flies | MLB | 2005 | 0 |
| Sacrifice Hits | MLB | 2005 | 0 |
| Times Hit by a Pitch | MLB | 2005 | 0 |
| GIDP | MLB | 2005 | 0 |
| Total Bases | MLB | 2005 | 0 |
| Strikeouts | MLB | 2005 | 0 |
| Bases on Balls/Walks | MLB | 2005 | 0 |
| Caught Stealing | MLB | 2005 | 0 |
| Stolen Bases | MLB | 2005 | 0 |
| Runs Batted In | MLB | 2005 | 0 |
| Home Runs | MLB | 2005 | 0 |
| Triples | MLB | 2005 | 0 |
| Doubles | MLB | 2005 | 0 |
| Hits | MLB | 2005 | 0 |
| Runs Scored | MLB | 2005 | 0 |
| At Bats | MLB | 2005 | 0 |
| Plate Appearances | MLB | 2005 | 0 |
| Games Played | MLB | 2005 | 3 |
| Wins Above Replacement for position players | MLB | 2005 | 0.0 |
|
|
| SO/BB | MLB | 2004 | 1.53 |
| SO9 | MLB | 2004 | 5.8 |
| BB9 | MLB | 2004 | 3.8 |
| HR9 | MLB | 2004 | 0.7 |
| H9 | MLB | 2004 | 10.7 |
| WHIP | MLB | 2004 | 1.611 |
| Fielding Independent Pitching | MLB | 2004 | 4.16 |
| ERA+ | MLB | 2004 | 97 |
| Batters Faced | MLB | 2004 | 344 |
| Wild Pitches | MLB | 2004 | 4 |
| Balks | MLB | 2004 | 3 |
| Home Runs Allowed | MLB | 2004 | 6 |
| Earned Runs Allowed | MLB | 2004 | 42 |
| Runs Allowed | MLB | 2004 | 49 |
| Hits Allowed | MLB | 2004 | 91 |
| Innings Pitched | MLB | 2004 | 76.1 |
| Saves | MLB | 2004 | 13 |
| Shutouts | MLB | 2004 | 0 |
| Complete Games | MLB | 2004 | 0 |
| Games Finished | MLB | 2004 | 26 |
| Games Started | MLB | 2004 | 8 |
| Games Pitched | MLB | 2004 | 38 |
| ERA | MLB | 2004 | 4.95 |
| Win-Loss Percentage | MLB | 2004 | .429 |
| Loss | MLB | 2004 | 4 |
| Wins | MLB | 2004 | 3 |
| Wins Above Replacement for Pitchers | MLB | 2004 | 0.4 |
| Positions Played | MLB | 2004 | 1 |
| Intentional Bases on Balls | MLB | 2004 | 0 |
| Sacrifice Flies | MLB | 2004 | 0 |
| Sacrifice Hits | MLB | 2004 | 0 |
| Times Hit by a Pitch | MLB | 2004 | 0 |
| GIDP | MLB | 2004 | 0 |
| Total Bases | MLB | 2004 | 0 |
| Strikeouts | MLB | 2004 | 0 |
| Bases on Balls/Walks | MLB | 2004 | 0 |
| Caught Stealing | MLB | 2004 | 0 |
| Stolen Bases | MLB | 2004 | 0 |
| Runs Batted In | MLB | 2004 | 0 |
| Home Runs | MLB | 2004 | 0 |
| Triples | MLB | 2004 | 0 |
| Doubles | MLB | 2004 | 0 |
| Hits | MLB | 2004 | 0 |
| Runs Scored | MLB | 2004 | 0 |
| At Bats | MLB | 2004 | 0 |
| Plate Appearances | MLB | 2004 | 0 |
| Games Played | MLB | 2004 | 2 |
| Wins Above Replacement for position players | MLB | 2004 | 0.0 |
|
|
| SO/BB | MLB | 2003 | 2.58 |
| SO9 | MLB | 2003 | 7.0 |
| BB9 | MLB | 2003 | 2.7 |
| HR9 | MLB | 2003 | 0.9 |
| H9 | MLB | 2003 | 9.0 |
| WHIP | MLB | 2003 | 1.302 |
| Fielding Independent Pitching | MLB | 2003 | 3.74 |
| ERA+ | MLB | 2003 | 125 |
| Batters Faced | MLB | 2003 | 533 |
| Wild Pitches | MLB | 2003 | 2 |
| Balks | MLB | 2003 | 2 |
| Home Runs Allowed | MLB | 2003 | 12 |
| Earned Runs Allowed | MLB | 2003 | 55 |
| Runs Allowed | MLB | 2003 | 58 |
| Hits Allowed | MLB | 2003 | 126 |
| Innings Pitched | MLB | 2003 | 126.0 |
| Saves | MLB | 2003 | 4 |
| Shutouts | MLB | 2003 | 0 |
| Complete Games | MLB | 2003 | 0 |
| Games Finished | MLB | 2003 | 5 |
| Games Started | MLB | 2003 | 18 |
| Games Pitched | MLB | 2003 | 36 |
| ERA | MLB | 2003 | 3.93 |
| Win-Loss Percentage | MLB | 2003 | .538 |
| Loss | MLB | 2003 | 6 |
| Wins | MLB | 2003 | 7 |
| Wins Above Replacement for Pitchers | MLB | 2003 | 3.2 |
| Positions Played | MLB | 2003 | 1 |
| Intentional Bases on Balls | MLB | 2003 | 0 |
| Sacrifice Flies | MLB | 2003 | 0 |
| Sacrifice Hits | MLB | 2003 | 0 |
| Times Hit by a Pitch | MLB | 2003 | 0 |
| GIDP | MLB | 2003 | 0 |
| Total Bases | MLB | 2003 | 2 |
| Rbat+ | MLB | 2003 | 100 |
| rOBA | MLB | 2003 | .348 |
| OPS+ | MLB | 2003 | 100 |
| OPS | MLB | 2003 | .762 |
| SLG | MLB | 2003 | .333 |
| OBP | MLB | 2003 | .429 |
| Hits/At Bats | MLB | 2003 | .333 |
| Strikeouts | MLB | 2003 | 1 |
| Bases on Balls/Walks | MLB | 2003 | 1 |
| Caught Stealing | MLB | 2003 | 0 |
| Stolen Bases | MLB | 2003 | 0 |
| Runs Batted In | MLB | 2003 | 2 |
| Home Runs | MLB | 2003 | 0 |
| Triples | MLB | 2003 | 0 |
| Doubles | MLB | 2003 | 0 |
| Hits | MLB | 2003 | 2 |
| Runs Scored | MLB | 2003 | 0 |
| At Bats | MLB | 2003 | 6 |
| Plate Appearances | MLB | 2003 | 7 |
| Games Played | MLB | 2003 | 3 |
| Wins Above Replacement for position players | MLB | 2003 | 0.1 |
|
|
| SO/BB | MLB | 2002 | 1.81 |
| SO9 | MLB | 2002 | 7.8 |
| BB9 | MLB | 2002 | 4.3 |
| HR9 | MLB | 2002 | 0.9 |
| H9 | MLB | 2002 | 9.8 |
| WHIP | MLB | 2002 | 1.571 |
| Fielding Independent Pitching | MLB | 2002 | 4.12 |
| ERA+ | MLB | 2002 | 107 |
| Batters Faced | MLB | 2002 | 353 |
| Wild Pitches | MLB | 2002 | 5 |
| Balks | MLB | 2002 | 2 |
| Times Hit by a Pitch | MLB | 2002 | 3 |
| Strikeouts | MLB | 2002 | 67 |
| Intentional Bases on Balls | MLB | 2002 | 4 |
| Bases on Balls/Walks | MLB | 2002 | 37 |
| Home Runs Allowed | MLB | 2002 | 8 |
| Earned Runs Allowed | MLB | 2002 | 40 |
| Runs Allowed | MLB | 2002 | 41 |
| Hits Allowed | MLB | 2002 | 85 |
| Innings Pitched | MLB | 2002 | 77.2 |
| Saves | MLB | 2002 | 0 |
| Shutouts | MLB | 2002 | 0 |
| Complete Games | MLB | 2002 | 0 |
| Games Finished | MLB | 2002 | 4 |
| Games Started | MLB | 2002 | 7 |
| Games Pitched | MLB | 2002 | 34 |
| ERA | MLB | 2002 | 4.64 |
| Win-Loss Percentage | MLB | 2002 | .429 |
| Loss | MLB | 2002 | 4 |
| Wins | MLB | 2002 | 3 |
| Wins Above Replacement for Pitchers | MLB | 2002 | 1.3 |
|
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Phoenix, Arizona, U.S.
Baseball
