Speaking on the England Rugby website, Jones said: “He won’t be available. We’ve taken a step where we just feel he needs a rest this week.
Asked whether it was a significant concussion, Jones said: “No it’s just that, that was his second concussion this season so we’ve taken the view that we won’r risk him this week.”
Underhill addressed the injury on Twitter, which was picked up when he attempted to tackle Australian backrow Sean McMahon.
Head's all good thank you for the messages ?? delighted to be a part of that win, what an atmosphere
— Sam Underhill (@SGUnderhill) November 18, 2017
Jones yesterday called up 35 players ahead of the final Test of the Old Mutual Wealth Series against Samoa on Saturday 25 November.
Danny Care (Harlequins), Owen Farrell (Saracens), George Ford (Leicester Tigers), Piers Francis (Northampton Saints), Jonathan Joseph (Bath Rugby), Alex Lozowski (Saracens), Henry Slade (Exeter Chiefs), Marcus Smith (Harlequins)*, Ben Te’o (Worcester Warriors)**, Ben Youngs (Leicester Tigers)
Charlie Ewels (Bath Rugby), Nathan Hughes (Wasps), Nick Isiekwe (Saracens), Maro Itoje (Saracens), George Kruis (Saracens), Joe Launchbury (Wasps), Courtney Lawes (Northampton Saints), Zach Mercer (Bath Rugby)*, Chris Robshaw (Harlequins), Sam Simmonds (Exeter Chiefs), Sam Underhill (Bath Rugby).
Dan Cole (Leicester Tigers), Tom Dunn (Bath Rugby), Ellis Genge (Leicester Tigers), Jamie George (Saracens), Dylan Hartley (Northampton Saints), Mako Vunipola (Saracens), Joe Marler (Harlequins), Harry Williams (Exeter Chiefs)
* Apprentice players
** Te’o will be in camp until Wednesday to continue his rehab on an ankle injury he picked up last month while on club duty
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