(WNFL) - The Chicago Bears moved into a tie for the N-F-C North Division lead with a 23-to-20 home overtime win over Baltimore. The Bears and Detroit are both 6-and-4, after the Lions lost at Pittsburgh 37-27. Green Bay is a game back in third. Minnesota dropped to 2-and-8 after losing at Seattle 41-to-20.The Bears were down to 10-nothing when the game was almost two hours by high winds, pounding rains, and a tornado warning. After the weather cleared, Robbie Gould booted the game-winning field goal, a 38-yarder at 6:18 into the O-T. Matt Forte ran for 125 yards and a receiving touchdown for Chicago. Baltimore has now lost four-of-five, as Joe Flacco threw two interceptions.The Lions lost after Pittsburgh quarterback Ben Roethlisberger threw a pair of fourth quarter touchdowns. He had four on the day. Calvin Johnson had six catches for 179 yards and two scores for the Lions.In the Minnesota loss, Christian Ponder threw for 129 yards, a touchdown, and two interceptions including a pick-six to Walter Thurmond. Matt Cassel replaced Ponder in the fourth quarter and threw for 78 yards, a score, and a pick. Adrian ran for 65 yards. Jarius Wright caught both of Minnesota's touchdowns.