Having lost four of six since a 3-0 start, the Bears (5-4) are tied for second place in the NFC North with the Packers (5-4), one game behind the division-leading Lions (6-3). Detroit plays in Pittsburgh and Green Bay visits the Giants Sunday.
McCown has appeared in each of the Bears' last three games, completing 42 of 70 passes for 538 yards with four touchdowns and no interceptions. His 103.2 passer rating ranks eighth in the NFL among quarterbacks with at least 50 passing attempts.
The Bears need to get more out of their running game after mustering only 38 yards on 20 carries versus the Lions, a 1.9-yard average.
The Bears defense will be forced to overcome the loss of another key player in cornerback
The Bears defense has lost five starters to significant injuries this year. Tackles
The Ravens offense has struggled this season. Quarterback Joe Flacco has completed 59.0 percent of his passes for 2,307 yards with 12 touchdowns, 11 interceptions and a 77.3 passer rating. Running back Ray Rice has rushed for 289 yards on 115 carries, a 2.5-yard average.
The all-time series between the Bears and Ravens is tied 2-2 with the home team winning all four games. The Ravens won the last meeting 31-7 in Baltimore on Dec. 20, 2009 as the Bears committed six turnovers and Flacco threw a career-high four touchdown passes.
In total yards, the Bears offense ranks 10th in the NFL (15th rushing and 8th passing), while the Ravens defense ranks 15th (10th against the run and 18th versus the pass). The Bears defense is 26th overall (31st against the run and 23rd versus the pass, while the Ravens offense is 29th (30th rushing and 17th passing).