Question: Which professional baseball player was born in 1984 and played as a rookie for the Los Angeles Dogers in 2007?

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Steven Patrick Garvey (born December 22, 1948) is an American former professional baseball player and current Southern California businessman.  He played in Major League Baseball as a first baseman, most notably for the Los Angeles Dodgers.  Nicknamed "Mr. Clean" because of the wholesome image he portrayed throughout his career in baseball, Garvey was the 1974 National League Most Valuable Player Award winner, a two-time National League Championship Series MVP (1978 and 1984), a 10-time All-Star, and a two-time MVP of the All-Star Game (1974 and 1978).  He holds the National League record for consecutive games played (1,207). Matthew Ryan Kemp (born September 23, 1984) is an American professional baseball outfielder for the Atlanta Braves of Major League Baseball (MLB).  He began his professional career in the Los Angeles Dodgers organization in 2003, and played with the Dodgers from 2006 until 2014.  He played for the San Diego Padres in 2015 and 2016.  He has been named to two All-Star teams and has won two Gold Glove Awards (2009 and 2011) and two Silver Slugger Awards (2009 and 2011). Ernest Ralph Orsatti (September 8, 1902 in Los Angeles, California – September 4, 1968 in Canoga Park, California), was a professional baseball player who played outfielder and first base in the Major Leagues from 1927 -1935 .  He played for the St. Louis Cardinals with a lifetime batting average of .306 in 701 games.  He both batted and threw left-handed.  He played in the 1928, 1930, 1931 and 1934 World Series.  He previously played for the 1925 Cedar Rapids, Iowa Bunnies minor league team with a batting average of .347 and 6 home runs.  He attended Los Angeles Manual Arts High School.  He joined his brothers in the Orsatti Talent Agency after retiring from baseball. Irvin Joel Vigo Guzmán (born November 24, 1984) is a Dominican professional baseball player.  He currently plays for the York Revolution of the Atlantic League.  He has played in Major League Baseball (MLB) for the Los Angeles Dodgers and Tampa Bay Devil Rays and in Nippon Professional Baseball (NPB) for the Chunichi Dragons. Michael Allen Marshall (born January 12, 1960) is an American former professional baseball player and current commissioner of the Pacific Association of Professional Baseball Clubs.  He played as an outfielder in Major League Baseball for the Los Angeles Dodgers, New York Mets, Boston Red Sox and California Angels from 1981 to 1991.  He also played one season in Nippon Professional Baseball for the Nippon Ham Fighters in 1992.  Marshall served as president and general manager of the Chico Outlaws of the North American League. Peter Edward "PJ" Rose Jr. (born November 16, 1969) is the manager of the Wichita Wingnuts in the American Association of Independent Professional Baseball and former professional baseball player.  The son of Major League Baseball's all-time hits leader Pete Rose, Rose Jr. played in the minor leagues most of his career except for a brief stint in for the Cincinnati Reds.  He was released September 14, 2009, by the York Revolution of the Atlantic League of Professional Baseball.  In 2011, he joined the White Sox coaching staff and became the manager of their Appalachian League (rookie league) affiliate in Bristol.  In 2012, he moved up to the Pioneer League with the affiliate in Great Falls, Montana.  After one season, he advanced to the lower-A South Atlantic League team in Kannapolis, North Carolina. William Daro Bean (born May 11, 1964) is an American former professional baseball player.  He played in Major League Baseball (MLB) as an outfielder for the Detroit Tigers (1987–1989), Los Angeles Dodgers (1989), and San Diego Padres (1993–1995), as well as the Kintetsu Buffaloes of Nippon Professional Baseball in 1992. The Los Angeles Dodgers' 2007 season started off promisingly with the Dodgers holding the Western Division lead for most of the first half of the season.  However, the team faded down the stretch and finished the season in fourth place.  Two of the teams big free agent signings, pitchers Jason Schmidt and Randy Wolf were injured and missed most of the season.  A promising development was the play of several rookies including James Loney and Matt Kemp and the further development of second year catcher Russell Martin, who was named to his first All-Star Game. Robert Sherwood Bailey (born October 13, 1942) is an American former professional baseball third baseman.  He played seventeen seasons in Major League Baseball (MLB) between 1962 and 1978 for the Pittsburgh Pirates, Los Angeles Dodgers, Montreal Expos, Cincinnati Reds, and Boston Red Sox.  Bailey attended Wilson Classical High School, where he was the 1961 CIF Baseball Player of the Year and quarterbacked the football team for two years, one of which was undefeated.  He was originally signed by the Pittsburgh Pirates as a bonus baby.  After the 1966 season, the Pirates traded Bailey and Gene Michael to the Los Angeles Dodgers for Maury Wills. Shoki Kasahara (笠原 将生 , Kasahara Shōki ) (born January 9, 1991 in Fukuoka) is a Japanese professional baseball player who last played for the Yomiuri Giants in Japan's Nippon Professional Baseball.  His younger brother Taiga is also a professional baseball player currently playing for Fukuoka SoftBank Hawks.  His father Eiichi is a former professional baseball player.

Supporting sentences:
 A promising development was the play of several rookies including James Loney and Matt Kemp and the further development of second year catcher Russell Martin, who was named to his first All-Star Game. Matthew Ryan Kemp (born September 23, 1984) is an American professional baseball outfielder for the Atlanta Braves of Major League Baseball (MLB).