There certainly seems to be a big difference between baseball players and football players, speaking just from what I see on TV. This comparison is very interesting.

We know that the body mass index levels have shifted since our 1994 study. More [football players] now would be considered obese.

If you've got to depend on one guy in baseball, you're not going to survive. It's not like football - you can't carry the ball 30 times a game . . . You get one out of nine. You've got to be solid.

I stop watching baseball when football season starts,

It's much like any other team, like a baseball team, a football team, where each year we have guys, older, veterans, all trying out for the same few spots. Each year, every summer they push athletes and drivers are evaluated on their speed and strength, and ability to push a sled. They run through a battery of tests.

He wants to score. And it's like a guy in football, or a guy in baseball that wants to hit the big home run or do the big touchdown pass. He wants to be the guy and I think that separates him from some other guys.