SCOTTSDALE, Ariz. — Three-time American League Cy Young Award winner Justin Verlander turned 42 years old on Thursday, and is still hopeful of reaching 300 wins in his big league career.

A group of Giants prospects knew they had a tough assignment when they got a chance to square off against Justin Verlander in a simulated game at the club’s Player Development Center at Papago Park on Saturday afternoon.

Three-time Cy Young Award winner and Goochland native Justin Verlander is the new kid on the block after signing with the San Francisco Giants this past offseason.

In his first spring training appearance in a San Francisco Giants uniform, Justin Verlander showed that even a three-time Cy Young Award winner still has to shake off some rust before Opening Day.

Justin Verlander struck out one and allowed a solo home run while pitching two innings in his spring training debut for the San Francisco Giants on Monday. Verlander's first start of the spring came four days after the three-time Cy Young Award winner's 42nd birthday.

Only 24 big league pitchers have won at least 300 games. The last to accomplish that was five-time Cy Young winner Randy Johnson, who got his 300th win while pitching for the Giants in 2009. Johnson won 303 games over 22 seasons in the big leagues, and was 8-6 in his only season with San Francisco that ended his career when he was 46.