2010 Major League Baseball season
Date Team Former manager Replacement Previous Job
May 13 Kansas City Royals Trey Hillman Ned Yost Yost last managed with the Milwaukee Brewers in 2008 . Yost signed a two-year extension July 31 to remain manager
June 4 Baltimore Orioles Dave Trembley Juan Samuel Third base coach ; serving on an interim basis from June 4 through August 3 , when Buck Showalter replaced him
June 23 Florida Marlins Fredi González Edwin Rodríguez Spent the past 1½ years managing the New Orleans Zephyrs , the Marlins ' Triple-A affiliate
July 1 Arizona Diamondbacks A. J. Hinch Kirk Gibson Best known for his dramatic walk-off home run in Game 1 of the 1988 World Series as a member of the Los Angeles Dodgers , Gibson was the D-Backs ' bench coach
August 3 Baltimore Orioles Juan Samuel Buck Showalter Showalter , who was with ESPN as an analyst on Baseball Tonight , last managed with the Texas Rangers in 2006
August 9 Seattle Mariners Don Wakamatsu Daren Brown Brown was in his fourth season managing the Tacoma Rainiers , the Mariners ' Triple-A affiliate
August 22 Chicago Cubs Lou Piniella Mike Quade Piniella stepped down early from an earlier announcement of his retirement at the end of the season to tend to his mother 's failing health . Quade served as the third-base coach of the Cubs and was named interim manager for the remainder of the season
Managerial changes -- Field managers
The 2010 Major League Baseball season began April 4, with the regular season ending on October 3. The 2010 All-Star Game was played on July 13 at Angel Stadium of Anaheim in Anaheim, California. The National League ended a 13-game winless streak with a 3-1 victory. Due to this result, the World Series began October 27 in the city of the National League Champion, the San Francisco Giants, and ended November 1 when the Giants defeated the American League Champion Texas Rangers, four games to one.