No unit changed as drastically at the top as the Titans' WR corps, and Gary Estwick takes a look at the new group in this installment of the Tennessean's position unit previews.

 The Titans have $12.9 million in unused cap space and only two more rookies to sign, reports Paul Kuharsky.  Both numbers are among the best in the division.

 Pac is still looking for a team, but I seriously doubt he gets another shot at the NFL this year after the debacle that was his stay in Dallas.

 Will Big Ben still be dealing with the charges of sexual assault against him when the season opens up against the Titans on Sept. 10?  It's certainly looking like that's the case.

The geniuses at Football Outsiders take a look at the validity behind the 'Three Year' axiom for WRs.  The results are an interesting mixed bag:

The "Third-Year WR Rule" has served as a fairly good rule of thumb over the years, but it doesn't tell the whole story. The "Second- to Fourth-Year WR Depending On Their Draft Round and Stats From Previous Seasons Rule" isn't as catchy, but it is more predictive for identifying potential breakout stars.

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