QB Cooper Rush with the Dallas CowboysThe Jacksonville Jaguars will travel to AT&T Stadium on Sunday afternoon for their Week-3 preseason matchup against the Dallas Cowboys.The Jaguars officially named Trevor Lawrence as their starting quarterback this week. The Jaguars then proceeded to trade backup quarterback Gardner Minshew II to the Philadelphia Eagles.Trevor Lawrence turned on the jets ⚡️️(via @NFL)pic.twitter.com/6KMd11e1ZI— Bleacher Report (@BleacherReport) August 24, 2021The Dallas Cowboys haven't been very impressed by the work of their backup quarterbacks so far in preseason as Dak Prescott continues to get ready for Week 1 of the regular season. The Cowboys will most likely use this game to finalize their final roster, which needs to be completed by early next week..@dallascowboys @MicahhParsons11 the entire Dallas D is being built around the talents of Parsons. Smart coaching. #BaldysBreakdowns pic.twitter.com/OX0MSUMclM— Brian Baldinger (@BaldyNFL) August 23, 2021Jaguars vs Cowboys: How to watch, start time, odds, live streams, TV channelWhat time does the Jaguars vs Cowboys game start; which TV channel is it on; where do you live stream it, and what are the latest odds?How to watch, live streams, TV channel & more:Start time: 1 PM ET, August 29Location: AT &T Stadium, Arlington,TexasTV channel: NFL Network, CBSDFW-11 (Dallas), CBS 47/FOX 30 (Jacksonville)Live stream options:SlingTVfuboTVJaguars vs Cowboys | Current NFL odds, spreads, betting lines, and predictionsSpread: Jaguars -2.5 (-125)Moneyline: Jaguars -145, Cowboys +120Total: 36.5 (Over -110, Under -110)The Jaguars are the favorites by 2.5 points over the Cowboys. Considering both teams have yet to win a preseason game, the Jaguars could pull it off by a field goal, but so could the Cowboys. This is a tough one, but the Jaguars should cover the spread.Jaguars vs Cowboys series historyThe Jaguars and the Cowboys have faced each other seven times in the NFL since 1997, with the Cowboys leading 4-3.Here are the last five meetings between the two teams in the regular season:Jaguars 7 @ Cowboys 40 | 2018.Cowboys 31 @ Jaguars 17 | 2014.Jaguars 35 @ Cowboys 17 | 2010.Cowboys 17 @ Jaguars 24| 2006.Jaguars 19 @ Cowboys 21| 2002.In the last meeting between the two teams, Dak Prescott led Dallas to a commanding 40-7 victory over Blake Bortles's Jacksonville.Jaguars 2021 preseason schedule:Week 1 | vs Cleveland Browns (L 23-14) | August 14.Week 2 | @ New Orleans Saints (L 23-21) | August 23.Week 3 | @ Dallas Cowboys | August 29.Cowboys 2021 preseason schedule:Week 1 (HOF Game) | @ Pittsburgh Steelers (L 16-3)) | August 5.Week 2 | @ Arizona Cardinals (L 19-16) | August 13.Week 3 | vs Houston Texans (L 20-14) | August 21.Week 4 I v. Jacksonville Jaguars I August 29.