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USA TODAY Sports

With the July 31 MLB non-waiver trade deadline in the rear-view mirror, most teams have begun the preparations for next season.

For some clubs, that means placing the bulk of the roster on waivers to gauge what type of interest there is in their players in advance of the winter meetings.

For others, it means scouring that same waiver wire in an effort to prepare for a playoff run.

One thing is certain: No team is going to start next season with exactly the same roster. So let’s identify one player from each MLB team who is guaranteed to not be there when the 2015 campaign begins.

Yes, "guaranteed" is a strong word and anything can happen. For example, the Houston Astros could pick up Jose Veras’ $5.5 million club option and bring him back for one more year. It is unlikely, though.

What we have done here is looked at production, contract status and overall fit for each player, isolating one from each team who won't be around next year.

To be sure, some squads have more than one ballplayer. In that case, we chose the one who is less obvious.

Here is one player from each MLB franchise who will be donning a different uniform next year.