NFL experts predict: Winston's future, fixing the Browns and Week 15 upset picks

Berry admits he was wrong about Winston in Week 14 (3:05)

Matthew Berry put Jameis Winston on the hate list in Week 14 and eats some crow after the Buccaneers QB accounted for five total TDs. (3:05)

Our panel of NFL experts predicts Week 15's biggest upsets and potential fantasy sleepers.

Plus, our experts look into the future for Jameis Winston, offer a quick fix for the Browns and name their biggest disappointments of the season.

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What's your top upset pick for Week 15?

Mina Kimes, NFL writer: Dolphins (+3.5) over Giants. Under coach Brian Flores, Miami is playing with a level of feistiness we didn't see in the first half of the season. We don't know which quarterback will be starting for New York, but we do know that Ryan Fitzpatrick vs. the Giants' secondary is an attractive matchup for Miami.

Jason Reid, The Undefeated, senior writer: Redskins (+4.5) over Eagles. The NFC East is a complete mess, as evidenced by the fact the woeful Redskins have been the division's most productive team recently. In their previous game, the Eagles trailed the last-place New York Giants by two touchdowns before winning in overtime. The Redskins are poised for their biggest victory of the season.

Aaron Schatz, editor of Football Outsiders: Bills (+2) over Steelers. It's a small upset but an important one in the AFC playoff race. Both teams have top-five defenses according to Football Outsiders DVOA ratings, but the difference here is on offense: Buffalo is No. 22 and improving over time with Pittsburgh way down at No. 30 and getting worse over time.