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Dez Bryant's foot injury is a major bummer.

Even though he's already had surgery for it, we don't know how soon he'll be back -- reports have suggested anywhere from four to six to eight to 12 weeks. And whenever he does come back, we don't know whether or not he'll be quite the same player upon his return. It's the same kind of injury that sidelined the likes of Julio Jones, Marvin Jones, Hakeem Nicks and in the NBA, Kevin Durant. In each of those cases the player missed a long stretch of time -- definitely more than four or six weeks (Nicks was on the shelf during the offseason; he wasn't the same when he returned).

Bryant was expected to be a major fixture on Fantasy rosters. He still will be but now he'll do so from the bench.

An absolute best-case scenario: Bryant makes a major recovery and is on the field in time for Week 7 at the Giants. What's probably more likely is that Bryant climbs his way back by Week 9 at home against Philadelphia (a prime-time game). The Cowboys' decision to not place Bryant on short-term injured reserve suggests they think he can be back by then. Otherwise they'd free up the roster spot for him and stash him on their IR.

Fantasy owners of Bryant have to think about whether or not they want to wait for his return. Fantasy owners who don't have Bryant will see this as an opportunity to trade for him on the cheap and assume the risk of Bryant not coming back at 100 percent or not coming back until after Week 9. Is there a right answer? It might depend on your receiving corps, who's on waivers and how you feel about your team after one week.

Perhaps some of these trades involving Bryant made on CBSSports.com in the wake of his injury will help you decide on whether to head to the bargaining table or to stand pat.

Dez Bryant for Alshon Jeffery: An injured Dez for a healthy, quality receiver like Jeffery? This is a no-brainer.

Dez Bryant for Sammy Watkins: A brutal Week 1 sent Watkins' Fantasy stock spiraling. But he's healthy (for now) and has nowhere to go but up after his Week 1 goose egg. Watkins is right around what you might expect in a square deal straight up for Bryant.

Dez Bryant for Todd Gurley: Gurley will miss less time than Bryant and figures to be a key figure in the Rams suddenly productive offense. He's better to have on a roster than Dez at this point.

Dez Bryant and Andre Ellington for Jordan Matthews and Jared Cook: You could leave Cook out of the deal and it's still a win for the owner getting Matthews. Bryant and Ellington have questions not only about their return dates but their roles and effectiveness when they do come back.

Dez Bryant and Denard Robinson for Tevin Coleman and Kendall Wright: No-brainer for the owner getting Coleman and Wright.

Dez Bryant and Dion Lewis for Mike Evans and T.J. Yeldon: Another no-brainer.

Dez Bryant for Jason Witten, DeAngelo Williams and Michael Floyd: This one seems like a no brainer but it's basically a trio of mediocrity for Bryant. Yeah, the Trade Values say it's a great deal for the team dealing Dez but it also clogs up roster spots with some pretty average talent. Aim higher than this for Bryant.

The bottom line: If you own Dez and someone in your league believes he'll be back up and running in four weeks, take the chance and move him. Don't settle for a pile of scrubs -- aim for at least one starter in return, be it someone who can help now or in a couple of weeks.

What are the Trade Values? The chart is designed to help guide you in making fair trades in your standard-scoring or PPR leagues. The values assigned to the players below are a long-term measurement of their Fantasy value. By adding two players' values you could determine what one player you should be able to get in return. This list should also work as a "Rest of Season" rankings. Also, any player not on the chart should be considered valued at no more than two points.