SEATTLE (AP) — Rex Grossman was impressive in his return as the Chicago Bears quarterback — for 3½ quarters.

Seattle's Matt Hasselbeck passed for 337 yards and two touchdowns, and the Seahawks took advantage of Grossman's late fumble to hold on for a 30-23 victory on Sunday.

Grossman, reinstated as the starting quarterback after six games watching Brian Griese run the offense, was 24-for-37 for 266 yards passing — his most since he threw for 282 last January in a win against Seattle in the NFC divisional playoffs.

But after not turning the ball over all day, Grossman made the mistake that Bears followers seem to expect from him, with 5:43 left.

After throws of 22 yards to Mushin Muhammad and 23 yards — on a terrific, one-handed catch from Bernard Berrian — got the ball into Seattle territory with Chicago down 27-20, Grossman could not find an open receiver. He took off running, but Patrick Kerney caught him from behind and ripped the ball from his right hand. Darryl Tapp recovered the fumble at the Seattle 47.

The Seahawks (6-4) turned that into Josh Brown's clinching field goal from 46 yards with 3:36 remaining.

Seattle maintained its one-game lead over Arizona in the NFC West.

Grossman lost for the third time in four starts this season, but he isn't the only reason Chicago is 4-6. The Bears defense, often dominant in their run to the Super Bowl last season, allowed 30 points for the fourth time in 10 games. Chicago allowed 30 points in just three games over the previous two seasons.

Conversely, Seattle's on-an-off defense sacked Grossman five times — all in the second half.

Hasselbeck's best throw was also his most improvisational one. On third-and-goal at the 4 early in the third quarter, he ran toward the line to avoid defensive end Alex Brown and suddenly flipped a low pass that Nate Burleson caught inside the goal line with the receiver's legs split and his right knee on the ground. That put Seattle ahead 24-17 and left Brown punching the turf in frustration.