In expert analysis, the young playmaker has shown why he deserves the first-choice spot for the national team's fly-half against New Zealand on Saturday.
Fin Smith produced arguably the best defensive display observed from an England playmaker for quite some time.
How he fronted up through regularly completing his tackles against a physical Fijian team was impressive.
His game management was also immense - he demonstrated a perfect blend of skill and composure, while executing several crucial choices during moments were not going as expected during the opening period.
His capacity to calm the squad strategically while making important decisions represents an aspect he has really nailed.
From my perspective, Fin Smith represents England's primary playmaker and he should begin against New Zealand next week.
I think the manager the England coach sees it that way as well, because Fin has demonstrated his capability in big Test matches.
George Ford started last Saturday versus the Wallabies for leadership considerations, and part of that decision was to provide consistency while acknowledging his performance from the tour of Argentina.
However, the national team's performance versus the Pacific Islanders represented a marked improvement compared to the display against Australia.
The Wallabies lost in Italy on Saturday, therefore we must avoid becoming too carried away about that victory, that could have been more comprehensive considering how below par Australia were.
Fiji, on the other hand, were much more dangerous and presented a far tougher test.
Fin Smith is still only twenty-three - projecting forward 24 months, with Ford pushing him but also offering backup, I think Smith will find himself in a very strong position as a player.
Marcus Smith must also be regarded as a possibility when appropriate and against the right opposition.
He's progressing as a player while beginning to find his feet, but he also needs the freedom to show his unique attributes.
The All Blacks brought on Damian McKenzie, who scored the decisive score to beat the Scottish team, demonstrating the importance of having individuals capable of creating genuine influence from the bench.
Such type of player might represent the deciding factor between winning the global tournament or not.
The All Blacks substitute observes the match develop while substituted and thinks regarding ways to create an impact when he comes on.
His choices and error rate have enhanced substantially since his early professional days.
If we can get Smith as that kind influential performer, including him in the backfield could be beneficial.
However, currently I don't think Marcus represents the solution at full-back, so that is a role remaining up for grabs.
New Zealand will kick testing the English backfield, therefore it must remain impenetrable.
It is a position requiring transforming into a real strength, in defense and in terms offensive transitions threat.
Currently, I don't think Marcus is a full-back at the highest level.
I struggle to identify the advantage fielding him in that position.
I want possession in his hands as much as possible, but I believe that should be in the front line, especially during the last quarter.
There are obviously a lot of similarities comparing Ford and Fin Smith.
Fin has the capacity executing the correct choices during tense moments - his natural reactions represent traits you can really coach.
I remember when he got possession at one stage just inside his own half and it looked like it could be should they spread play.
However during these milliseconds he thought they needed reversing the opposition as we are up on the scoreboard, therefore he punted it to pin them back and turn the screw.
That's the sort of playmaking securing championships and wins global tournaments.
He additionally possesses composure under pressure directing teammates nearby, while recognizing that he doesn't constantly serve as primary receiver.
I want to see him given the chance to show that at the highest level next week, just as we have seen the veteran accomplish, especially at domestic matches week in consistently.
During the South American tour, the experienced fly-half similarly excelled in difficult situations, where historically one might suggest there have been times he has not quite delivered during extremely tense matches.
I believe we have playmaking options capable of performing the job, but with Fin's defence on top of everything else, it makes him the better-rounded versatile performer.
This also indicates there's no need to adjust your defensive system when you have an assertive player occupying the playmaker position, rather than an individual being somewhat passive.
You could also present compelling arguments for Ford starting with Smith entering from the bench.
Numerous considerations that go on behind closed doors, however the coaches decide to go, this will present the opponents difficulties.
That has not always been the narrative facing New Zealand, where the focus concentrated solely on picking the right player.
On this occasion, either playmaker selected can put the All Blacks significantly.
Smith's capacity selecting optimal kicks while delivering for a potential territorial gains can take all the stress away from the national team.
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