A Roundup Of The Week Sept. 19-25

PRO FOOTBALL—The Bengals, the Bills and the Rams all coasted to victories to become the NFL's only 4-0 teams. Cincinnati's 24-17 win over the Browns kept the Bengals in sole possession of first place in the AFC Central. Cleveland held Boomer Esiason, the league's top passer, to only eight completions, but Cincinnati rushed for 213 yards. AFC East-leading Buffalo, off to its best start since 1980, beat the Steelers 36-28. The Bills' Scott Norwood converted all five of his field goal attempts to run his streak to a team-record 12. L.A. got five TD passes from Jim Everett as it defeated the Giants 45-31. The victory kept the Rams a game in front of the second-place Saints and 49ers in the NFC West. San Francisco manhandled the Seahawks 38-7 as Joe Montana threw for 302 yards and four touchdowns, three of them to his favorite target, Jerry Rice. Dean Biasucci kicked five field goals as the Colts won for the first time, 15-13 over Miami. The Packers lost to Chicago 24-6 and now are the last winless team. The Oilers trounced the Patriots 31-6, while the Jets beat the Lions 17-10. Babe Laufenburg's nine-yard touchdown pass to Lionel James with 52 seconds to play gave the Chargers a 24-23 victory over the Chiefs. The Vikings, co-leaders with Chicago in the NFC Central, escaped with a 23-21 victory over the Eagles when Chuck Nelson kicked a 32-yard field goal with 15 seconds to go. The Saints nipped the Buccaneers 13-9, while the Cardinals upset the Redskins 30-21 for win No. 1 in Phoenix. Washington reserve quarterback Mark Rypien, starting in place of Doug Williams, who is out for at least a month after an appendectomy, threw for 303 yards and three touchdowns in his first NFL start. The Redskins' defeat left them in a four-way tie for first in the NFC East with the Cardinals, Giants and Cowboys. Dallas rallied to beat the Falcons 26-20 on Steve Pelleur's 29-yard touchdown pass to Ray Alexander with 1:48 left (page 98).

GOLF—ROSIE JONES shot an even-par 72 in the final round to win the 54-hole LPGA Santa Barbara Open by three strokes over Missie McGeorge. Jones had a four-under-par 212 to win $45,000.

Bill Glasson won the B.C. Open and $90,000 in Endicott, N.Y., by shooting a 16-under-par 268, two strokes better than runners-up Bruce Lietzke and Wayne Levi.

HARNESS RACING—BJ SCOOT ($6), Michel LaChance in the sulky, beat Threefold by 1� lengths in the final heat to win the Little Brown Jug, the second jewel in the Triple Crown for 3-year-old pacers, at the Delaware County ( Ohio) Fair-grounds. BJ Scoot, a colt, covered the mile in 1:52[3/5] and collected $147,030.

Leah Almahurst ($2.80), a 3-year-old filly driven by Bill Fahy, won the Juggette at the Delaware County Fairgrounds in straight heats. She paced the mile in each heat in 1:56[2/5] and beat So Cozy in the final to earn $81,946.

HORSE RACING—SUNSHINE FOREVER ($5.40), ridden by Angel Cordero Jr., won the Man o' War Stakes for 3-year-olds and older at Belmont by a half length over Pay The Butler. Sunshine Forever covered the 1? miles in 2:14[2/5] to earn $357,600.

Seeking the gold ($3.40), ridden by Pat Day, won the Super Derby at Louisiana Downs by a neck over Happyasalark Tomas. The winner, a 3-year-old colt, ran the 1� miles in 2:03[4/5] and earned $600,000.

MOTOR SPORTS—ALAIN PROST, driving a McLaren- Honda, won the Portuguese Grand Prix by 9.553 seconds over Ivan Capelli, in a March-Judd. Prost, who took over first place in the world driver standings from McLaren teammate Ayrton Senna, completed 70 laps on the Estoril 2.703-mile road circuit in 1:37:40.95.

Darrell Waltrip, in a Chevrolet, won a 500-lap NASCAR event in Martinsville, Va., beating Alan Kulwicki, in a Ford, by 5.2 seconds. Waltrip averaged 74.988 mph on the .526-mile Martinsville Speedway oval to claim the $48,750 top prize.

TENNIS—Fourth-seeded MIKAEL PERNFORS defeated Andre Agassi, the top seed, 6-2, 7-5 in the final match to win a men's tour event and $59,500 in Los Angeles.