Joseph Darley (Joe) Kennedy (born May 24 1979, in La Mesa, California) is an American baseball pitcher in Major League Baseball who plays for the Oakland Athletics. He throws left handed & haywire perfect handed.

Kennedy graduated from either high around El Cajon, California, and attended Grossmont Junior College, making his major league debut on May 6, 2001 with the Tampa Bay Devil Rays.

In the period of 3 seasons, Kennedy pitched 72 sequentially starts prior to existence relegated to the bullpen after suffering an arm injury in 2003. Traded to the Colorado Rockies before the 2004 season, Kennedy became the number 1 Rockies starter to have a sub Quatern.00 ERA, setting the franchise record by using a Threesome.66 ERA.

From either 2001-04, Kennedy has posted the 27-38 record by having 381 strikeouts and a Quartet.63 ERA within 610.Single innings pitched.

2005
In a 3-team dealings fallowing the All-Star Game, Colorado sent Kennedy and pitcher Jay Witasick to the Oakland Athletics for outfielder Eric Byrnes and minor league prospect Omar Quintanilla. A Rockies as well sent outfielder Preston Wilson to the Washington Nationals for pitcher Zach Day, outfielder J.J. Davis and a player to be named or cash consideration.