Heart surgeon Ted Diethrich, principal owner of the Chicago Blitz, is considering purchase of another U.S. Football League club, the Arizona Wranglers, the Phoenix Gazette said.

The newspaper quoted Jim Joseph, owner of Wranglers, as saying, "I'm negotiating with a group who want to buy 49 percent of the team.

"But I've held off making a decision to give Ted additional time to make a decision about what he's going to do in Chicago," Joseph said. "Obviously there's a problem in Chicago that has to be resolved, but we had conversations about this before the season" . . .

Baltimore Colts quarterback Art Schlichter, who was indefinitely suspended by the National Football League for gambling activities, may get a chance to play for the Ohio Bulldogs of the new International Football League at Canton, a newspaper reported in Cleveland.

The Bulldogs franchise, created two weeks ago as one of 12 charter members of the IFL, is owned by Guy Cicchini of Canton . . .

Kansas City Chiefs running back Joe Delaney was a true hero, Vice President George Bush told a crowd of 250 as he gave the Presidential Citizens Medal to Delaney's widow and mother in Haughton, La. . . .

Jim Caruso, head football coach at Bladensburg High School the past six years, has resigned to become the offensive coordinator of Montgomery-Rockville's football team. Caruso will continue to teach physical education at High Point High School.