Tulane named Greg Davis head football coach and Wright Waters interim athletic director, replacing Mack Brown, who is leaving to coach at North Carolina.

Brown announced Wednesday he had accepted the North Carolina post and would leave Tulane after the Green Wave plays the Washington Huskies in the Independence Bowl today.

Termswere not released . . .

South Carolina center Woody Myers, an honorable mention all-America, has been declared ineligible for the final college football game of his career after testing positive for steroid use, the school announced.

Myers, a senior starter for the Gamecocks, will not compete in the Dec. 31 Gator Bowl against Louisiana State . . .

The former sports agent who signed two Texas A&M football players said Coach Jackie Sherrill tried to negotiate a quick financial settlement in an apparently futile effort to get the players back on the team in time for the Jan. 1 Cotton Bowl.

The players, senior offensive tackle Tony Bartley and junior fullback Melvin Collins, were declared ineligible this week after former Atlanta sports agent Jim Abernethy told The Atlanta Constitution he had signed contracts with them.

"Sherrill said, 'This is the biggest game of their lives. You're taking away the Cotton Bowl from these boys,' " Abernethy told the Constitution after meeting with Sherrill in Atlanta Thursday morning.

It is against NCAA rules for players to accept benefits from agents or to sign contracts with them. Before the NCAA will consider restoration of eligibility, all money must be repaid and the player released from his contract.

A federal judge threw out agent Norby Walters' $500,000 lawsuit against former Auburn football star Brent Fullwood, ruling invalid a contract Fullwood signed with Walters before finishing his college career.

"We decline to serve as paymaster of the wages of crime, or referee between thieves," U.S. District Judge Charles Brieant wrote in his ruling, released in White Plains, N.Y., and reported in today's editions of The Atlanta Journal and Constitution.

Walters had sued to recover $8,042 he gave Fullwood in 1986 before the running back began his senior season...

Indiana basketball coach Bob Knight declared Jay Edwards, a 6-foot-4 guard, academically ineligible yesterday, the end of his first semester on the Bloomington campus.

Edwards, Indiana's high school co-Mr. Basketball from last year, will not practice or play with the fifth-ranked Hoosiers as long as he fails to maintain a 2.0 grade-point average, Knight said . . .

In Tokyo, Georgia defeated New Orleans, 81-77. Georgia plays Alabama-Birmingham today in the next round of the Phenix NCAA Ball tournament. Alabama-Birmingham defeated a Japanese all-star team, 115-88 . . .

University of Texas swimmer Tiffany Cohen, who won two gold medals at the 1984 Olympics, says she is retiring from competitive swimming. At 21, she said, "I felt like I was burning out."