When Justin Verlander threw his first major-league pitch on July 4, 2005, Buster Posey was a shortstop who had yet to play his first game at Florida State University. When Justin Verlander throws his first major-league pitch for the San Francisco Giants, Buster Posey will be in his first season as the team’s president of baseball operations.

Justin Verlander, the three-time Cy Young winner who's said he wants to pitch until he's 45, will continue that quest with the San Francisco Giants.

The Justin Verlander signing calls to mind another aging pitcher who helped a young Giants pitching staff come of age

Justin Verlander, who pitched for the Detroit Tigers from 2005-17, wants to achieve 300 wins, but he remains 38 wins from the historic milestone.

Take a look at the important stats and figures after Justin Verlander agrees to join the Giants for his 20th season.