The Chicago Bears, devastated by injuries to their top two quarterbacks, have signed 17-year veteran Greg Landry as an emergency backup. Landry, who spent the last three seasons in the U.S. Football League, will be eligible for Sunday's game in Chicago against the Green Bay Packers.

To make room for Landry, 37, the Bears placed rookie offensive guard Stefan Humphries on injured reserve . . .

Freeman McNeil, the American Football Conference's second-leading rusher, has a broken rib and will miss the New York Jets' last two regular-season games. McNeil, who has gained 1,070 yards for a 4.7 average this year, has been bothered by painful ribs for the past month . . .

Atlanta Falcons officials say that, of the National Football League clubs headed for high draft choices, their team is "the most logical" to acquire the services of Boston College quarterback Doug Flutie, the Heisman Trophy winner. The Falcons, with a 3-11 record, will get one of the first three picks in the NFL draft, along with 3-11 Minnesota and 2-12 Buffalo.

Falcons General Manager Tom Braatz said that despite Flutie's height of 5 feet 9, he "would be perfect for our offense."