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Duke's David Cutcliffe and N.C. State's Dave Doeren show off their six-packs (Photo)

Petrino returns to Louisville for 1st ACC season
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Atlantic Coast Conference football coaches pose for a group photo during the ACC Football kickoff in Greensboro, N.C., Monday, July 21, 2014. The coaches are, back row from left: Wake Forest's Dave Clawson, North Carolina State's Dave Doeren, Florida State's Jimbo Fisher, Boston College's Steve Addazio, Duke's David Cutcliffe, Miami's Al Golden, Pittsburgh's Paul Chryst, and Virginia Tech's Frank Beamer. Front row, from left are: Syracuse's Scott Shafer, Louisville's Bobby Petrino, Clemson's Dabo Swinney, Georgia Tech's Paul Johnson, North Carolina's Larry Fedora, and Virginia's Mike London.(AP Photo/Chuck Burton)

Welcome to our Dr. Saturday feature titled "Random offseason tweet of the day." With real games still weeks away, coaches and players will be tweeting about non-football-related things as the season approaches. In this space, we'll try to find the funniest and goofiest tweets of the day. If you see something, don't hesitate to send it to us.

When the coach of a rival shows off his six-pack, you have to respond. And on Tuesday, Duke coach David Cutcliffe and North Carolina State's Dave Doeren countered North Carolina coach Larry Fedora's six-pack picture.

OK, maybe it was a spin-off rather than a counter-move.

Cutcliffe and Doeren were together for their ESPN appearances to promote the upcoming season and weappreciate the ingenuity. And especially the color-coordination. That did not go unnoticed.

There are few college football coaches that have the audacity to be seen shirtless and with the addition of Fedora to Steve Spurrier's NASCAR-watching glory, we thought the shirtless pics resided primarily in the Carolinas. However, (and we feel like this may be burying the lead for many of you) there's now a shirtless picture of Texas Tech coach Kliff Kingsbury on the internets. Click judiciously, friends.

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Nick Bromberg is the assistant editor of Dr. Saturday on Yahoo Sports. Have a tip? Email him at nickbromberg@yahoo.com or follow him on Twitter!