Gareth Southgate does not expect to have Dele Alli fit for England's clash against Panama but does not blame the midfielder for playing through the pain against Tunisia.
Alli suffered a thigh injury during the 2-1 win in Volgograd but still managed to complete 80 minutes before being replaced by Ruben Loftus-Cheek.
The Tottenham star tweeted to say it was a "slight injury" but was still forced to sit out training on Thursday, although he did at least take part in some of Friday's session before the squad travelled to Nizhny Novgorod.
Southgate thinks Alli is recovering well but concedes it is not always easy for players to ask to come off during such important matches as those at a World Cup.
"It's always difficult. Most players are very aware of their body and know the things they feel they can play on with," he told a news conference.
"We're no further behind with Dele's recovery so we've not lost any time in that instance, not through design but a little bit of luck and him understanding it was not that serious.
"It's the only muscle injury we've had over the three and a half weeks. To be at this stage with 22 players available is unlikely. We'll get contact injuries as the tournament progresses but I certainly as a manager don't take a risk with a player, but players aren't exactly all going to tell you 100 per cent how they are. I've been a player and sometimes you can be economical with the truth."
England can reach the last 16 with a win over Panama but they will need to do so in front of a relatively low number of fans who have made the trip from England.
It has been suggested political tensions with Russia have put off some supporters from travelling, but Southgate thinks the potential cost has also forced a lot of people to avoid coming.
"I think there's obviously been a lot going on away from football, in the lead into the World Cup," he said.
"It's quite expensive for our fans to come to the tournament and there are internal flights here. We're really appreciative of the supporters who have come. In other tournaments, we've maybe had more numbers, but the vocal support of our fans the other night was brilliant, it really gave our team a huge lift. I think we have similar numbers tomorrow and maybe more in Kaliningrad."
|CAF Champions League Review: Wydad, Al Ahly & TP Mazembe qualify|
|Stephen Curry wants to finish his career with Warriors|
|Hazard among Europe´s best but can improve, says Sarri|
|Tigers boost top-two hopes, Giants close in on fourth|
|Birmingham City 0 Swansea City 0: Monk´s men held despite dominance|
|Inter taking legal action against Tebas over Modric transfer comments|
|Serie A transfer round-up: Zaza joins Torino, Parma sign Gervinho|
|Roma chief Pallotta makes light of De Laurentiis claim|
|Federer starts double-header by seeing off resilient Mayer|
|Ospina joins Napoli on loan from Arsenal|
|Klavan completes Cagliari switch|
|Djokovic holds out against Dimitrov as Raonic awaits|
|New dates confirmed for postponed Serie A fixtures|
|Halep breezes past Barty to set up Tsurenko clash on same day|
|Olesen unable to capitalise on strong start as Jamieson, Waring go clear|
|Hoffenheim tie Kramaric to four-year deal|
|Mina to miss Southampton clash while Gomes is ´weeks´ away|
|Barcelona coach Valverde dismisses Pogba speculation|
|Valverde not prioritising Champions League over defending Barcelona´s LaLiga title|
|Allegri thanks outgoing Juventus icon Marchisio|
|Pants display from Beef? Johnston forced into change of trousers in Sweden|
|Tour champion Thomas has Welsh velodrome named in his honour|
|Gloucester surprised and disappointed by RFU´s swift Cipriani charge|
|Storm skipper Smith´s back injury not ´too serious´|
|Spurs fixture switch doesn´t appeal to Guardiola|
|Brazil call up Andreas Pereira & Arthur but omit Man City stars|
|Mbappe returns to PSG squad, Kehrer set for debut|
|No Messi in Argentina squad as Simeone wins first call-up|
|England man Roy embarrassed by self-inflicted facial injury|
|Atletico Madrid fined for breaching third-party regulations|
|Cipriani charged by RFU after common assault conviction|
|No contact, no negotiation - Leonardo denies AC Milan deal for Milinkovic-Savic|
|Kovacic set for Chelsea debut against Arsenal|
|Fury´s father restrained as Wilder crashes Pianeta weigh-in|
|Kohli and Bumrah fit for win-or-bust Test|
|Stokes ready and desperate to help England, says Root|
|Salah, Mane and Firmino not in competition says Klopp|
|Darmian staying at Manchester United, says Mourinho|
|Guardiola cites fatigue as factor for stricken De Bruyne|
|Kovac approves Rudy departure from bloated Bayern midfield|
|Klopp insists no player leaves without his approval amid Klavan rumours|
|Real Madrid complain to FIFA over Inter´s alleged Modric approach|
|Mourinho ´has never been so happy´ with unsettled Pogba|
|Manly implode amid Barrett uncertainty, Storm´s Smith injured|
|Sarri certain Hazard is staying at Chelsea|
|Liverpool, Champions League, Manchester derby - The matches De Bruyne will miss due to injury|
|Campbell joins Frosinone from Arsenal on permanent deal|
|Schalke sign Lille´s Mendyl to end left-back hunt|
|Stokes back in England team as Curran drops out|
|Ronaldo doesn´t guarantee Juventus the title, warns Allegri|
|Tuchel keen to guide PSG star Mbappe after World Cup heroics|
|Yuri: I can see Neymar joining Real Madrid|
|Milan pounce for Castillejo as Bacca joins Villarreal permanently|
|De Bruyne to miss three months for Manchester City|
|Manchester City talent Arzani completes Celtic loan|
|I know how precious my career is, says regretful Cipriani|
|Paulo Bento named new South Korea coach|
|Milan complete Laxalt deal|
|Poyet suspended by Bordeaux after outburst against board|
|Tuchel will let Neymar and Cavani settle penalties themselves|
|Hooper: We´re ready, bring on the All Blacks!|
|Outstanding Australia deserve our respect - Read|
|Dragons´ Widdop set for Finals return|
|Jamshed found guilty of corruption and banned for 10 years|
|Bennett will not be sacked, insist Broncos|
|Marchisio leaves Juventus|
|The Breakdown: A statistical look at round one of the Rugby Championship|
|Durham sign Bancroft for 2019|
|Wolfsburg to fine Hinds after training no-show|
|Rugby Championship 2018: Team-by-team guide|