"But if I need a little extra motivation, they're all there. Maybe just throw them on the top to get a little extra motivation."He said he hasn't signed any endorsement deals yet, but the outspoken Christian has drawn debate for a Super Bowl commercial that is believed to be an antiabortion message.Tebow is standing his ground on that position, just like he is on his playing position."I know some people won't agree with it, but I think they can at least respect that I stand up for what I believe and I'm never shy about that," Tebow said. "I don't feel like I'm very preachy about it but I do stand up for what I believe.When athletes or professional sports teams work with clinics or suppliers, it may serve to legitimize unproven treatments in the eyes of the public. It can help to create the impression that these are efficacious treatments that, for a number of reasons (such as allegedly inappropriate regulatory hurdles), are available only to those with the