New York Yankees pitcher David Robertson (30) during game against the Detroit Tigers at Yankee Stadium in Bronx, New York; April 29, 2012. Yankees defeated Tigers 6-2. (AP Photo/Tomasso DeRosa Stock Photo - Alamy

New York Yankees pitcher David Robertson (30) during ALDS Game 3 against the Baltimore Orioles at

New York Yankees pitcher David Robertson (30) during game against the Toronto BlueJays at Yankee Stadium in Bronx, New York; May 18, 2013. Yankees defeated BlueJays 7-2. (AP Photo/Tomasso DeRosa Stock Photo - Alamy

New York Yankees pitcher David Robertson (30) during game against the Toronto BlueJays at Yankee Stadium in Bronx, New York; May 18, 2013. Yankees defeated BlueJays 7-2. (AP Photo/Tomasso DeRosa Stock Photo - Alamy

New York Yankees pitcher David Robertson (30) during game against the Toronto BlueJays at Yankee Stadium in Bronx, New York; May 18, 2013. Yankees defeated BlueJays 7-2. (AP Photo/Tomasso DeRosa Stock Photo - Alamy

New York Yankees pitcher David Robertson (30) during game against the Toronto BlueJays at Yankee Stadium in Bronx, New York; May 18, 2013. Yankees defeated BlueJays 7-2. (AP Photo/Tomasso DeRosa Stock Photo - Alamy

New York Yankees pitcher David Robertson (30) during game against the Toronto BlueJays at Yankee Stadium in Bronx, New York; May 18, 2013. Yankees defeated BlueJays 7-2. (AP Photo/Tomasso DeRosa Stock Photo - Alamy

New York Yankees pitcher David Robertson #30 during a game against the Texas Rangers at Yankee Stadium on June 16, 2011 in Bronx, NY. Yankees defeated Rangers 3-2. (Tomasso DeRosa/Four Seam Images

New York Yankees pitcher David Robertson (30) during game against the Detroit Tigers at Yankee Stadium in Bronx, New York; April 29, 2012. Yankees defeated Tigers 6-2. (AP Photo/Tomasso DeRosa Stock Photo - Alamy