Dennis Patrick Leonard is a retired American professional baseball pitcher who played his entire 12-year Major League Baseball (MLB) career for the Kansas City Royals (1974–1986). A right-handed pitcher, he was known for his durability and sinkerball, becoming a cornerstone of the Royals' pitching staff during their most successful era in the late 1970s and early 1980s. He was a three-time 20-game winner and played a pivotal role in the Royals' journey to the 1980 American League Pennant and their 1985 World Series championship, though his playing time in 1985 was limited due to injury. Leonard's career was marked by significant success as well as resilience in overcoming serious injuries. Post-retirement, he has remained connected to baseball, including through broadcasting for the Royals.
Dennis Leonard's work history includes a series of influential roles in various companies. Here is a detailed list of his professional journey:
Achieved 20 or more wins in three separate MLB seasons (1977: 20 wins, 1978: 21 wins, 1980: 20 wins) for the Kansas City Royals, a significant mark of pitching excellence and consistency.
Member of the Kansas City Royals team that won the 1985 World Series. Although he was injured for a significant portion of the 1985 season, his contributions in prior years were vital to building the team's competitive stature.
Selected as an American League All-Star in 1977, recognizing his performance as one of the top pitchers in the league during that season.
Inducted into the Kansas City Royals Hall of Fame in 1989, honoring his significant contributions and impact on the franchise as one of its premier pitchers.
While the ALCS MVP award was not officially given until 1980, Leonard's dominant performance in the 1977 ALCS (2-0, 2 complete games, 1.00 ERA) is widely regarded as MVP-caliber.
Central Connecticut State University
University of Dallas
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