No matter how hard the New York Giants tried, their costly mistakes piled up again, resulting in their seventh consecutive defeat, a 27-20 road loss to the Dallas Cowboys on Thanksgiving.Cowboys LB DeMarvion Overshown returned an interception 23 yards for a second-quarter touchdown and LB Erik Kendricks strip-sack/fumble recovery of Drew Lock set up a third-quarter TD, creating a two-score lead the Giants never could overcome.The Giants went into the fourth quarter down, 27-10, and responded with a field goal before Lock's 8-yard TD scramble with 2:18 to play. But Dallas was able to run out the clock to secure the victory.Don't Forget to ReadNew York Giants On SI Social MediaFollow and like us on Facebook.Submit your questions for our mailbag.Follow on Instagram.Check out the Giants Country YouTube Channel.This article was originally published on www.si.com/nfl/giants as Dallas Cowboys 27, New York Giants 20: Game Balls and Gassers.