Top 20 Pitchers of This Decade

20. Josh Beckett

BOSTON - AUGUST 23: Josh Beckett #19 of the Boston Red Sox delivers a pitch against the New York Yankees on August 23, 2009 at Fenway Park in Boston, Massachusetts. (Photo by Elsa/Getty Images)

19. Chris Carpenter

LOS ANGELES, CA - AUGUST 17: Chris Carpenter #29 of the St. Louis Cardinals pitches against the Los Angeles Dodgers at Dodger Stadium on August 17, 2009 in Los Angeles, California. (Photo by Jeff Gross/Getty Images)

18. John Lackey

ANAHEIM, CA - AUGUST 25: John Lackey #41 of the Los Angeles Angels of Anaheim pitches during the first inning at Angel Stadium of Anaheim on August 25, 2009 in Anaheim, California. (Photo by Harry How/Getty Images)

17. A.J. Burnett

NEW YORK - AUGUST 27: Pitcher A.J. Burnett #34 of the New York Yankees throws a pitch against the Texas Rangers during the MLB game on August 27, 2009 at Yankees Stadium in the Bronx borough of New York City. (Photo by Al Bello/Getty Images)

16. Mark Buerhle

SEATTLE - AUGUST 3: Starting Pitcher Mark Beuhrle #46 of the Chicago White Sox delivers against the Seattle Mariners during the MLB game at Safeco Field on August 3, 2003 in Seattle, Washington. The Mariners won 8-2. (Photo by Otto Greule Jr/Getty Imag

15. Jake Peavy

SAN DIEGO - APRIL 6: Pitcher Jake Peavy #44 of the San Diego Padres throws a pitch against the Los Angeles Dodgers on Opening Day on April 6, 2009 at Petco Park in San Diego, California. (Photo by Stephen Dunn/Getty Images)

14. Tim Hudson

LOS ANGELES, CA - JULY 09: Pitcher Tim Hudson #15 of the Atlanta Braves throws a pitch against the Los Angeles Dodgers on July 9, 2008 at Dodger Stadiium in Los Angeles, California. The Dodgers won 2-1. (Photo by Stephen Dunn/Getty Images)

13. Trevor Hoffman

ST. LOUIS, MO - JULY 14: National League All-Star Trevor Hoffman of the Milwaukee Brewers pitches during the 2009 MLB All-Star Game at Busch Stadium on July 14, 2009 in St Louis, Missouri. (Photo by Jamie Squire/Getty Images)

12. Carlos Zambrano

CHICAGO - JUNE 18: Carlos Zambrano #38 of the Chicago Cubs pitches against the Chicago White Sox during the game on June 18, 2009 at Wrigley Field in Chicago, Illinois. (Photo by Jonathan Daniel/Getty Images)

11. Jonathan Papelbon

ARLINGTON, TX - JULY 22: Jonathan Papelbon #58 of the Boston Red Sox pitches against the Texas Rangers during the game at Rangers Ballpark July 22, 2009 in Arlington, Texas. The Rangers won 3-1. (Photo by Ronald Martinez/Getty Images)

10. John Smoltz

ST. LOUIS - MAY 05: John Smoltz #29 of the Atlanta Braves delivers a pitch in the ninth inning against the St. Louis Cardinals during the game at Busch Stadium in St. Louis, Missouri on May 05, 2002. The Braves defeated the Cardinals 4-2. (Photo by Elsa/

9. CC Sabathia

OAKLAND, CA - AUGUST 18: CC Sabathia #52 of the New York Yankees pitches against the Oakland Athletics during their game at the Oakland Coliseum on August 18, 2009 in Oakland, California. (Photo by Ezra Shaw/Getty Images)

8. Francisco Rodriguez

NEW YORK - AUGUST 16: Francisco Rodriguez #75 of the New York Mets throws a pitch in the ninth inning against the San Francisco Giants on August 16, 2009 at Citi Field in the Flushing neighborhood of the Queens borough of New York City. (Photo by Jim Mc

7. Pedro Martinez

NEW YORK - AUGUST 23: Pedro Martinez #45 of the Philadelphia Phillies pitches against The New York Mets during their game on August 23, 2009 at Citi Field in the Flushing neighborhood of the Queens borough of New York City. (Photo by Al Bello/Getty Imag

6. Brandon Webb

PHOENIX - APRIL 06: Starting pitcher Brandon Webb #17 of the Arizona Diamondbacks pitches against the Colorado Rockies during the MLB openning day game at Chase Field on April 6, 2009 in Phoenix, Arizona. The Diamondbacks defeated the Rockies 9-8. (Pho

5. Roy Oswalt

CHICAGO - MAY 16: Starting pitcher Roy Oswalt #44 of the Houston Astros delivers the ball against the Chicago Cubs on May 16, 2009 at Wrigley Field in Chicago, Illinois. The Cubs defeated the Astros 5-4. (Photo by Jonathan Daniel/Getty Images)

4. Joe Nathan

3. Johan Santana

2. Mariano Rivera

NEW YORK - JULY 19: Mariano Rivera #42 of the New York Yankees pitches against the Detroit Tigers on July 19, 2009 at Yankee Stadium in the Bronx borough of New York City. The Yankees defeated the Tigers 2-1. (Photo by Jim McIsaac/Getty Images)

1. Roy Halladay

ST LOUIS, MO - JULY 14: American League All-Star Roy Halladay of the Toronto Blue Jays pitches during the 2009 MLB All-Star Game at Busch Stadium on July 14, 2009 in St Louis, Missouri. (Photo by Morry Gash-Pool/Getty Images)