Baltimore Ravens fullback Vonta Leach, top, leaps over Dallas Cowboys cornerback Morris Claiborne in the second half of an NFL football game in Baltimore, Sunday, Oct. 14, 2012. Baltimore won 31-29. (AP Photo/Nick Wass)

Baltimore Ravens quarterback Joe Flacco looks for a receiver in the first half of an NFL football game against the Dallas Cowboys in Baltimore, Sunday, Oct. 14, 2012. (AP Photo/Gail Burton)

Dallas Cowboys running back Felix Jones falls into the end zone for a touchdown in the first half of an NFL football game against the Baltimore Ravens in Baltimore, Sunday, Oct. 14, 2012. (AP Photo/Nick Wass)

Oct 14, 2012; Baltimore, MD, USA; Dallas Cowboys running back Felix Jones (28) scores a touchdown as Baltimore Ravens free safety Ed Reed (20) gives chase in the first quarter at M&T Bank Stadium. Mandatory Credit: Mitch Stringer-US PRESSWIRE

Dallas Cowboys head coach Jason Garrett reacts after officials confirmed running back Felix Jones's touchdown after a review in the first half of an NFL football game against the Baltimore Ravens in Baltimore, Sunday, Oct. 14, 2012. (AP Photo/Patrick Semansky)

Dallas Cowboys quarterback Tony Romo throws to a receiver in the first half of an NFL football game against the Baltimore Ravens in Baltimore, Sunday, Oct. 14, 2012. (AP Photo/Nick Wass)

Baltimore Ravens running back Bernard Pierce, right, tries to outrun Dallas Cowboys inside linebacker Bruce Carter in the first half of an NFL football game in Baltimore, Sunday, Oct. 14, 2012. (AP Photo/Nick Wass)

Dallas Cowboys running back Felix Jones (28) rushes for a touchdown in the first half of an NFL football game against the Baltimore Ravens in Baltimore, Sunday, Oct. 14, 2012. (AP Photo/Gail Burton)

Baltimore Ravens running back Ray Rice, center, rushes past Dallas Cowboys defenders Mike Jenkins, right, and Bruce Carter in the first half of an NFL football game in Baltimore, Sunday, Oct. 14, 2012. (AP Photo/Patrick Semansky)

Baltimore Ravens running back Ray Rice, left, rushes past Dallas Cowboys dedenders Bruce Carter, second from left, and Sean Lee in the first half of an NFL football game in Baltimore, Sunday, Oct. 14, 2012. (AP Photo/Nick Wass)

Baltimore Ravens wide receivers Torrey Smith, left, and Anquan Boldin react after Smith's touchdown in the first half of an NFL football game against the Dallas Cowboys in Baltimore, Sunday, Oct. 14, 2012. (AP Photo/Patrick Semansky)

Dallas Cowboys running back Felix Jones, right, rushes past Baltimore Ravens defenders Ray Lewis, left, and Jimmy Smith in the second half of an NFL football game in Baltimore, Sunday, Oct. 14, 2012. (AP Photo/Gail Burton)

Dallas Cowboys tight end Jason Witten, left, is tackled by Baltimore Ravens free safety Ed Reed in the second half of an NFL football game in Baltimore, Sunday, Oct. 14, 2012. (AP Photo/Gail Burton)

Baltimore Ravens head coach John Harbaugh, left, speaks with head linesman Mark Baltz during the second half of an NFL football game against the Dallas Cowboys in Baltimore, Sunday, Oct. 14, 2012. (AP Photo/Nick Wass)

Baltimore Ravens' Jacoby Jones, left, runs an interception back for a touchdown in the second half of an NFL football game against the Dallas Cowboys in Baltimore, Sunday, Oct. 14, 2012. Pursuing Jones are Cowboys kicker Dan Bailey (5) and wide receiver Andre Holmes. (AP Photo/Gail Burton)

Baltimore Ravens quarterback Joe Flacco, left, throws to a receiver as he is pressured by Dallas Cowboys defensive end Jason Hatcher in the first half of an NFL football game in Baltimore, Sunday, Oct. 14, 2012. (AP Photo/Nick Wass)

Baltimore Ravens running back Ray Rice reacts after scoring a touchdown in the second half of an NFL football game against the Dallas Cowboys in Baltimore, Sunday, Oct. 14, 2012. (AP Photo/Gail Burton)

Baltimore Ravens running back Ray Rice reacts after scoring a touchdown in the second half of an NFL football game against the Dallas Cowboys in Baltimore, Sunday, Oct. 14, 2012. (AP Photo/Nick Wass)

Dallas Cowboys quarterback Tony Romo walks off the field after a failed two-point conversion attempt in the second half of an NFL football game against the Baltimore Ravens in Baltimore, Sunday, Oct. 14, 2012. Baltimore won 31-29. (AP Photo/Patrick Semansky)

Baltimore Ravens defensive back Chykie Brown (23) reacts in front of Dallas Cowboys kicker Dan Bailey after Bailey missed a field goal attempt in the second half of an NFL football game in Baltimore, Sunday, Oct. 14, 2012. Baltimore won 31-29. (AP Photo/Nick Wass)

Dallas Cowboys kicker Dan Bailey, bottom left, makes a field goal attempt in the second half of an NFL football game against the Baltimore Ravens in Baltimore, Sunday, Oct. 14, 2012. The kick went wide to the left. Baltimore won 31-29. (AP Photo/Patrick Semansky)

Dallas Cowboys wide receiver Kevin Ogletree, left, misses a pass as he is defended by Baltimore Ravens defensive back Jimmy Smith in the second half of an NFL football game in Baltimore, Sunday, Oct. 14, 2012. Baltimore won 31-29. (AP Photo/Gail Burton)

Dallas Cowboys head coach Jason Garrett, left, speaks with quarterback Tony Romo in the second half of an NFL football game against the Baltimore Ravens in Baltimore, Sunday, Oct. 14, 2012. (AP Photo/Gail Burton)