That's wasn't quite as young as Mike McCormick was (22 years, 303 days) in 1961 when he became the quickest Giant to record 50 victories. Others between McCormick and Bumgarner were Hall of Famer Christy Mathewson (22 years, 331 days in 1903), Doc Crandall (23 years, 363 days in 1912) and Hal Schumacher (24 years, 156 days in 1935).
Chris Haft is a reporter for MLB.com. Read his blog, Haft-Baked Ideas, and follow him on Twitter at @sfgiantsbeat. This story was not subject to the approval of Major League Baseball or its clubs.