"On a different level, it's like the argument of, 'Who is the greatest quarterback to ever play in the NFL?' A lot of guys will point to today's quarterbacks -- Tom Brady or whoever -- because they throw so many touchdowns or have so many passing yards. Well, hell, Johnny Unitas and Joe Namath played in a different era. I always cringe a little bit when people start to compare players from one era to players from a different era, because there's a really good chance the game is played a lot differently and you can't always use the same criteria.''
Which made Canseco’s second benefactor — Mike Wallace — all the more important. John Hamlin, a producer at 60 Minutes , had gotten a tip about Canseco’s book from a friend at another network. (The friend couldn’t act on it because his employer was a Major League Baseball rights holder.) Hamlin began calling baseball people and confirming the details. Almost no one would talk on the record, but they suggested that Canseco’s account was true. One of the few allegations Hamlin couldn’t verify was Canseco’s insistence that Roger Clemens was juicing.