Alex Rodriguez's debut was July 8,1994 for the Seattle Mariners.
April 12th, 1998
George Herman "Babe" Ruth made his debut with the Boston Red Sox on July 14, 1914.
Jackie Robinson's MLB debut for the Brooklyn Dodgers came on April 15, 1947.
Brooklyn Dodgers
Alex Rodriguez made his Major League debut on July 8, 1994.
Louis Castro made his debut on April 23, 1902 with the A's.
Alex Carrasquel made his debut on April 23, 19939 with the Senators.
April 15, 1997 was the 50th anniversary of his debut in MLB. He played his first MLB game on April 15, 1947.
Andruw Jones Made his Major League Debut on August 15, 1996 at the age of 19 years 4 month old for the Atlanta Braves.
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Matt Kemp is the regular starting centerfielder for the Dodgers. He has played for the Dodgers since his MLB debut in 2006.