brief time in the majors. After starting the 2009 season in the minors, Cervelli was called up by the Yankees on May 5, 2009, when Jorge Posada was placed on the 15-day disabled list, though he was batting only .190, with a .266 on-base percentage and .310 slugging percentage at Trenton at the time of the call-up, and had not played in Class AAA. He made his first appearance of the season on May 7, after José Molina injured his quad. He recorded his first major league hit, a single, on May 8, against the Baltimore Orioles, while also catching starting pitcher CC Sabathia during a complete game shutout. Cervelli asserted himself as a reliable defensive catcher for the New York Yankees, and received praise from his teammates. Though Cervelli was sent to the Scranton/Wilkes-Barre Yankees of the Class AAA International League on July 8, 2009. when Molina was activated off of the disabled list, Yankees' manager Joe Girardi made clear that he was impressed with Cervelli's performance. On June 24, 2009, Cervelli hit his first major league home run against Kris Medlen of the Atlanta Braves, breaking up a no-hitter. On September 16, Cervelli had his first walk-off hit – a single in the bottom of the ninth inning against the Toronto Blue Jays. Cervelli was a member of the Yankees roster in the 2009 MLB postseason, as the Yankees won the 2009 World Series, but he was not on the World Series roster. Cervelli started the 2010 season on the Yankees' 25-man roster to serve as the backup catcher to Posada, and served as the Yankees' starting catcher while Posada recovered from a foot injury. On March 6, Cervelli was hit in the head by a pitch. He was removed from the game with a concussion. Shortly after, citing another concussion Cervelli suffered while playing winter ball, the Yankees suggested he begin wearing the Rawlings S-100 protective helmet, a bulkier model made to withstand 100 mph fastballs. This briefly earned him the nickname "Gazoo", a reference to a character in The Flintstones. In 2011, Cervelli entered spring training as the backup to Russell Martin. Cervelli broke his foot in early March, and missed the beginning of the 2011 season. On April 29, 2011, the New York Yankees activated Cervelli from the disabled list, and on May 8, he hit his first home run of the season, also the