Miami Deals Kirby to San Francisco

Terry Kirby finally was traded from running back-rich Miami to the 49ers for a 1997 high draft pick.

The trade was reportedly agreed to on Saturday but was not announced until Monday.

With the acquisition, Johnny Johnson is expected to be cut by the 49ers, possibly even today. Johnson was injured the first day of drills and hasn’t practiced since.

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The NFL suspended Indianapolis Colt fullback Roosevelt Potts for the 1996 season for violating the league’s substance-abuse policy. On July 22, Potts, an unsigned veteran who is recovering from reconstructive knee surgery, was suspended for four games without pay. It was increased to a full 16-game season after a review by NFL commissioner Paul Tagliabue.

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San Diego Charger offensive linemen Isaac Davis and Troy Sienkiewicz each underwent knee surgery but could rejoin the team within a month. Neither player suffered ligament damage. “We’re looking at a minimum of two weeks on both of them, with the possibility of [Davis] going as long as four weeks,” Coach Bobby Ross said. Both were hurt in Saturday night’s 32-10 exhibition victory over Arizona. . . . Oakland Coach Mike White named linebacker coach Fred Whittingham as defensive coordinator after John Fox’s surprise resignation over the weekend. “I asked [Whittingham] to organize the defense, and to be ready to call the defensive signals,” White said. . . . Pittsburgh signed offensive lineman Jim Sweeney, who started all 16 games for Seattle last season.