The streak established Sosa as a legitimate challenger to the record and filled him with confidence.

"Kramnik is not a legitimate challenger in any way," he said.

There is no legitimate challenger left in his weight class to fight.

Prized, the only other 3-year-old in the field, is the only legitimate new challenger.

There is even a part of Jones that needs other endeavors because in his weight class there are few legitimate challengers.

Red Bullet was a legitimate challenger, too, despite his four-length loss in the Wood.

They urged her on and celebrated when the last of the legitimate challengers, Luding, failed to beat her time.

The Raiders must be considered a strong favorite to make the Super Bowl, especially since there is no legitimate challenger emerging from the conference.

Potentially legitimate challengers from the left were persecuted into oblivion.

But Mr. Leko is not seen by all as his legitimate challenger.