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Report: “Strong possibility” Eric Mangini stays as 49ers defensive coordinator

San Francisco 49ers defensive coordinator Eric Mangini watches as players practice during an NFL football mini-camp in Santa Clara, Calif., Wednesday, June 10, 2015. (AP Photo/Jeff Chiu) AP

The 49ers made a head coaching change this month when they relieved Jim Tomsula of his duties and gave Chip Kelly a chance to run a second NFL team shortly after the Eagles fired him.

Kelly is now working to put together his coaching staff and it looks like there’s a good chance that he’ll be sticking with at least one of Tomsula’s assistants. Alex Marvez of FOX Sports reports that there is a “strong possibility” that Eric Mangini remains on board as the team’s defensive coordinator.

Mangini spent two years as the tight ends coach with the Niners before moving back to the defensive side of the ball in 2015. It wasn’t a great showing by the unit, although a healthy portion of their shortcomings can be explained as the byproduct of the flood of talent that left the team heading into the 2015 season.

With Kelly’s offense prone to quick drives, his defenses often wind up spending more time on the field than with other clubs. If Kelly feels Mangini can put together a unit to handle that responsibility, there should be some continuity on the staff despite the big change at the top.

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41 Responses to “Report: “Strong possibility” Eric Mangini stays as 49ers defensive coordinator”
  1. ctiggs says: Jan 18, 2016 11:06 AM

    Our D played ok last season. My guess is any short comings next year, he will be the first “fall guy”.

  2. Chris says: Jan 18, 2016 11:11 AM

    Chip Kelly wanted a stunt double.

  3. goingthextramile says: Jan 18, 2016 11:15 AM

    Chip Kelly running the offense along with Eric Mangenius running the defense will have the 49ers headed back to the top of the NFC West.

  4. niners816 says: Jan 18, 2016 11:17 AM

    I’m okay with that as long as he gets rid of Geep Chryst, keeps Kaep, and drafts Laquon Treadwell with the #7. But knowing Baalke, he will trade out of the first round pick and gather a few 3rd round picks and use them on players that tore their acl’s.

  5. joetoronto says: Jan 18, 2016 11:20 AM

    Alright, somebody might actually stay!

    That’s good news for the Claries, now put your hands over your head and dance like only you can.

    Not that there’s anything wrong with that.

  6. jcf78 says: Jan 18, 2016 11:27 AM

    I’m not really thrilled about that! I don’t think mangini’s defended are really that good! Considering last year we had three and outs at a record pace our defences were getting gassed anyway!

    We need a fresh start at d coordinator as well!!!

  7. lefflerman says: Jan 18, 2016 11:28 AM

    It will make for a crowded coaches room with those two egos in there. The reality is both are good coaches who have failed miserably with personal decisions. If both realize this and focus on coaching this could work really well, as long as the personal people do their job. That’s the biggest “if” for me.

  8. faithful49er707 says: Jan 18, 2016 11:28 AM

    @niners816

    I like Treadwell as well and wouldn’t mind the pick but, ND WR Will Fuller would be a nice pick in the 2nd round and maybe using that 1st round pick on a pass rusher. Outside of Aaron Lynch we had no pass rush

  9. ninerrob52 says: Jan 18, 2016 11:29 AM

    Defense was last in the league in takeaways. Neat the bottom in yards and points allowed. This is a confusing choice. Promoting mediocrity

  10. bobleblah says: Jan 18, 2016 11:37 AM

    DC for Chip has got to be the most thankless job in the NFL.

    Only a desperate man would take it.

  11. a1b24312 says: Jan 18, 2016 11:38 AM

    Oh, you mean, the SFers didnt want to hire B. Davis? He ran such a stellar D in PHL and C. Kelly always defended him.

    This is more evidence that Kelly doesn’t care about offense. Or he doesn’t have power over coaching staff. Probably both. He is a glorified OC. The reverse of Buddy Ryan knew how to judge talent on field and relate to players.

  12. quinzze says: Jan 18, 2016 11:43 AM

    Rat

  13. 6ball says: Jan 18, 2016 11:45 AM

    .
    King Rat
    .

  14. bleedgreen says: Jan 18, 2016 11:46 AM

    Can’t be worse than Billy Davis, can he?

  15. sactomkiii says: Jan 18, 2016 12:00 PM

    Lame….

  16. lilrob10201 says: Jan 18, 2016 12:01 PM

    It would be good if Chip can make the 49ers relevant again. I’m still
    a fan of what he does in the NFL and now he has a chance at redemption.

  17. willycents says: Jan 18, 2016 12:03 PM

    I wonder how Kelly’s D would perform at Denver with his rapid 3 and outs. Bet the defense would be unable to take the field in the fourth quarter due to being totally gassed.

  18. ricko1112 says: Jan 18, 2016 12:23 PM

    Mangidiot is a no good rat!

  19. oldcrabb says: Jan 18, 2016 12:31 PM

    The only coach I would like to see back is Rathman. He did a nice job with no running backs.

  20. tonebones says: Jan 18, 2016 12:33 PM

    Good decision all around.

  21. abninf says: Jan 18, 2016 12:40 PM

    niners816 says:

    I’m okay with that as long as he gets rid of Geep Chryst, keeps Kaep, and drafts Laquon Treadwell with the #7. But knowing Baalke, he will trade out of the first round pick and gather a few 3rd round picks and use them on players that tore their acl’s.
    ==================================

    Hopefully Chip won’t make any roster decisions. He already tried that.

  22. lukedunphysscienceproject says: Jan 18, 2016 12:53 PM

    Man, that’s a whole lot of self-described geniuses in one locker room.

  23. joenash72 says: Jan 18, 2016 1:18 PM

    Bring back Jimmy Tomsula as DL coach.

    That is, if he can even be located😉

    Put the band back together!

  24. 49ersdiehard says: Jan 18, 2016 1:33 PM

    I like the consistency of keeping Mangini. I, too, concur that he didn’t have a lot of talent to field a consistent and successful defense… If he has the right talent to work with, his defense has the potential to be within the top ten overall. However, Kelly’s high-temp offense will force Mangini’s defense on the field much longer than any squad/unit on the field, so they’ll all have to be in top shape physically and mentally to be able to endure; Mangini will probably have to ratchet down his blitz-happy defensive. The success of the defense and entire team really rests on the accuracy of the last couple of drafts, current draft and free agency signings of Baalke.

  25. rd3777 says: Jan 18, 2016 1:33 PM

    Interbreeding a offensive and defensive genius…what do you get….a team that York doesn’t deserve….Let’s hope so.

  26. 49ersdiehard says: Jan 18, 2016 1:35 PM

    Correction: high-tempo

  27. moseszd says: Jan 18, 2016 1:37 PM

    ninerrob52 says:
    Jan 18, 2016 11:29 AM
    Defense was last in the league in takeaways. Neat the bottom in yards and points allowed. This is a confusing choice. Promoting mediocrity

    The defense was not great shakes, but it was 18th in points. Yards are not points and have no significant correlation with winning and citing them is both meaningless and shows a shallow understanding of football.

    Take aways have a certain random element to them and are heavily influenced by the opposition and their risk taking. (And if the other team isn’t likely to score very many points, you play conservatively to avoid turnovers. Just like the Chiefs and Patriots among others.)

    Field position really matters for the defense (the shorter the drive, the greater the chances of sustaining it for scoring) and the 49ers defense spent the entire season defending the 28th worst field position in the NFL.

    In fact, the offense was so bad at moving the ball that every swap of possession cost the 49ers about 7.5 yards. Which kept putting the defense, already struggling, in worse and worse and worse positions.

  28. zinnsand21 says: Jan 18, 2016 1:59 PM

    From the article: “With Kelly’s offense prone to quick drives, his defenses often wind up spending more time on the field than with other clubs.” That sure fits Mangini’s Defense this season. They were on the field most games far more than the Offense due to Time Of Possession problems with the Offense.

  29. ninersblogger says: Jan 18, 2016 2:27 PM

    Still laughing at the comment about Baalke trading our first round pick for a couple 3rd rounders with torn ACL’s.

  30. socal9er says: Jan 18, 2016 3:22 PM

    The D’s numbers are thrown off by a few blowouts in which they played terrible. They were ok down the stretch particularly at home. I think another year in the system and some additions that are a good fit for what Mangini wants to do, they could be better. If not, they’ll make a change year 2 in Kelly’s tenure.

  31. collectordude says: Jan 18, 2016 3:28 PM

    If you get the talent Mangini should be good enough.
    My problem is baalke. His drafts get steadily worse.

  32. thegreatgabbert says: Jan 18, 2016 3:53 PM

    Eric looks tired already.

  33. footballace says: Jan 18, 2016 5:08 PM

    Eric Mangini is one of the worst coaches in the NFL period. He turned Vernon Davis from a somewhat elite tight end into a guy who can’t catch a cold. He’s also the same guy who ratted on the Patriots for spygate.

    I’m not surprised the 49ers would keep this loser.

  34. ecniner says: Jan 18, 2016 5:33 PM

    Smart move. Niners D looked progressively better as the season went on…. Barring that first game they played lights out!!

  35. irishguy55 says: Jan 18, 2016 6:52 PM

    What about RBs coach Tom Rathman ? What’s the latest on him ? Anyone deserves to stay it’s him and what he did with the Revolving door the squad had at RB this season

  36. peterb21 says: Jan 18, 2016 8:24 PM

    Considering the SF offense finished dead last in the the ENTIRE NFL in points scored and time of possession ITS A MIRACLE THE DEFENSE FINISHED 18TH overall..that is great coaching..Mangini shut down Rodgers and Palmer this year..I think the offense set a record for the number of 3 and outs THIS YEAR..PLEASE..Mangini’s D played fairly well considering the historic ineptness of their offense.

  37. seanpscott says: Jan 19, 2016 9:25 AM

    I wasn’t for the hiring of Mangini as DC last year, I really wanted to keep Fangio. But all things considered he did a pretty good job. After Willis, Borland, and J Smith retired and Aldon’s stupid self getting arrested again that was a lot of talent gone at once. In the last game of the year against St. Louis we had 6 defensive starters that had 16 career starts or less. Our offense was so horrible under Chryst we couldn’t convert 3rd downs, sustain drives or help out our Defense at all. If our offense could have scored more than 20 points a game our D would have been so much better. I believe we have a lot of
    Young talent on D with Lynch, Harold, Reid, Tartt, Armstead, Williams, Dial and Johnson. I think they’ll only continue to get better. I am hearing they’re interviewing Vrabel now though. He was one of the smartest LB’s when he played and has done a great job with the LB’s in Houston

  38. zampft says: Jan 19, 2016 6:33 PM

    meh but stability probably a good thing

    who else is out there anyway, Billy Davis? no thanks

  39. cri33 says: Jan 21, 2016 12:50 PM

    The defense will be on the field a lot when Kelly’s offense sputters.

  40. pemory says: Jan 22, 2016 4:34 PM

    This is great news! If you’re a fan of the Cards, Hawks, Rams….

  41. ehsguy72 says: Jan 22, 2016 5:10 PM

    Alex Marvez of FOX Sports reports that there is a “strong possibility” that Eric Mangini remains on board as the team’s defensive coordinator.

    Say what? Fired today.

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