HK, "
An Englishman in Sweden" looked a lot more mature and well-developed than most "first stories". In particular, you've got: good grammar and punctuation; nice use of spacing, italics, and bold without overdoing them; good word choice; character development; and most importantly,
conflict.
It didn't feel disjoint from a reader's perspective, and you're obviously beyond "intro to writing"

so the things I'd remind from my earlier post are "Work in a real editor", and "Get ahead"! For you, I've an added observation that you're being too hard on yourself in your comments here. I wish I'd gotten into it to give you an encouraging "nice start" in-thread or something, it looked very promising.
. . .
Let's talk about
conflict for a moment, though, as its a generally useful topic for new writers.
Its not
just about giving your character "something he wants but doesn't have" - promotion, title, true love, Champions League.
The stories that really
come to life for me are ones in which the author can identify and set up a recurring conflict, one which sustains indefinitely.
"The club is on the verge of bankruptcy" can last a good long while.
Board takeover rumours can last months.
Alternately, you can introduce a
villain, a recurring character whose actions and goals oppose your main character's. Like two cards leaning into each other, these two can sustain a tenuous balance almost indefinitely.
In HK's final post, his chairman sells the team captain without his permission.
Bam, instant conflict: between "profit" and "success on the pitch", and with the power dynamic, the fact that they're each stuck with each other.. that's a conflict he could milk for 20 pages of degenerating relationship

.
There's plenty of other things you can do:
Set up a major rival, especially one with more financial muscle than you (Chelsea, United, Arsenal).
Identify a "villain" referee, and call it out every time he comes in with a call against you.
If you've got one developing, play up a player/manager conflict.
If one of your players costs you a game, play up the player/fans conflict.
If you want to tack on a fictitious conflict, more tangentially related to the game:
You could set up internal politics within your board, with a pro-manager and anti-manager faction, or some other dynamic: pro-success/pro-money, etc.
There's plenty of scope for a "villian" female character, hundreds of different directions to take that.
The "Rupert Wormwood" character (journalist as villain) in "Blade" provided immediate conflict, a "You love to hate him" sort of character.
Flipsix3 has adopted perhaps the toughest challenge for Edgar Allen, giving him
conflict with himself, an authorial challenge of the highest order, to pull off successfully!