Soccer Player Structs

// S112 Kowata Soccer Player Structs.cpp 
// Author: Michael Kowata
// Goal: Record and display the data of soccer players 

#include <iostream>
#include <fstream>
#include <vector>
#include <string>
#include <iomanip>
using namespace std;

//Structures---------------------------------------------------------
struct Player {
    //Data members
    string name;
    string team;
    int goals;
    int assists;
    int minutes;
    double PI;
};
//Prototypes---------------------------------------------------------
void makeDatabase(string fileName, vector<Player>& vdb);
void showPlayer(Player p);
void showDatabase(vector<Player> playerDatabase);
Player findMostEffectivePlayer(vector<Player> playerDatabase);

int main()
{
    vector <Player> playerDatabase;

    makeDatabase("c:/users/mkowata/temp/xplayer.txt", playerDatabase);

    showDatabase(playerDatabase);

    cout << "\nMost Effective Player\n";
    showPlayer(findMostEffectivePlayer(playerDatabase));
}

//User-defined Functions---------------------------------------------
void makeDatabase(string fileName, vector<Player>& vdb)
{
    vector <Player> playerDatabase;

    string strName, strTeam;
    int goals, assists, minutes;

    ifstream infile(fileName);

    if (!infile)
    {
        cout << "Error - file not found \n";
        exit(101);
    }

    while (infile)
    {
        getline(infile, strName);
        getline(infile, strTeam);
        infile >> goals;
        infile >> assists;
        infile >> minutes;
        infile.ignore();
        double PI = 1000 * ((double)goals + (double)assists / 2) / (double)minutes;
        Player c{ strName, strTeam, goals, assists, minutes, PI};
        vdb.push_back(c);
    }
    infile.close();
}

void showPlayer(Player p)
{
    cout << left << setprecision(4);
    cout << setw(22) << p.name;
    cout << setw(20) << p.team;
    cout << setw(8) << p.goals;
    cout << setw(10) << p.assists;
    cout << setw(10) << p.minutes;
    cout << setw(15) << p.PI << endl;
}

void showDatabase(vector<Player> playerDatabase)
{
    cout << "Player Name" << setw(15) << "Team" << setw(21) << "Goals" << setw(10) << "Assists" << setw(10) << "Minutes" << setw(13)
        << "Perf.Index" << endl;
    cout << "---------------------------------------------------------------------------------" << endl;
    for (int i = 0; i < playerDatabase.size(); i++)
    {
        showPlayer(playerDatabase[i]);
    }
}

Player findMostEffectivePlayer(vector<Player> playerDatabase)
{
    double a = 0;
    for (int i = 0; i < playerDatabase.size(); i++)
    {
        if (playerDatabase[i].PI > a)
            a = playerDatabase[i].PI;
    }

    for (int j = 0; j < playerDatabase.size(); j++)
    {
        if (playerDatabase[j].PI == a)
            return playerDatabase[j];
    }
}