Rotella, who charges thousands of dollars per session, has worked with players for the New York Yankees, basketball's New Jersey Nets and football's Baltimore Ravens.

FORBES: Magazine Article

Major League Baseball is investigating allegations that a South Florida anti-aging clinic supplied performance-enhancing drugs to several players, including New York Yankees slugger Alex Rodriguez, from 2009 to 2012.

WSJ: Report Links Yankees' Alex Rodriguez With PED Use

So a team like the Oakland Athletics cannot attract the level of players that a team like the New York Yankees can.

FORBES: 'Moneyball' Is an Unintentional Allegory About Today's Financial Mess

New York Yankees management thought it would be a good idea to identify players by where they hit in the batting order, hence No. 3 was issued to Babe Ruth, No. 4 to Lou Gehrig.

FORBES

The newspaper reported last week that New York Yankees star Alex Rodriguez, a three-time American League Most Valuable Player, and other players bought human growth hormone and other performance-enhancing substances during 2009-12 from Biogenesis of America LLC.

WSJ: MLB asks Florida paper for records in drug probe