1.   One intriguing part of the equation was the coupling of three star horses for betting purposes because of common ownership elements.

2.   The NCAA fears what it claims is a recent expansion of gambling on college campuses, along with a couple of attempts to shave points for betting purposes.

3.   Thus, all three horses must race as one for betting purposes.

4.   For betting purposes, the mixup may be profitable.

5.   There are no couplings for betting purposes in the Derby because of a recent Kentucky racing rule.

6.   It said the fight was held for betting purposes.