Why did the Patriots keep so many running backs?

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Take Your Pick: Was Ortiz's speech fitting or inappropriate? 394881	Possible targets at wide receivers for Patriots in draft 394846	Felger on Revis trade: 'It's pretty pathetic' for the Jets 394756
Curran on Revis trade: "so long Jets!" 393781	Reactions to an unprecedented week in Boston 393761	Will Belichick draft in the 1st round? 393746
Rest vs seed management for Bruins 393736	Maxwell: turnovers key to Celtics Game 1 loss 393731	Buckley: Sox an all-around good team right now 393721
Ninkovich: 'We have to support everyone' 390411	Predicting Patriots first round pick 387766	Chavous lists possible DB, WR targets for Patriots 387771
Assessing Patriots' need at receiver 387776	Pioli: Never be surprised you're going to be surprised 387781	Patriots lacking draft currency 387786