Answer:
// Scanner class is imported to allow program receive user input
import java.util.Scanner;
// class is defined
public class PlayerRoster {
    // main method that begin program execution
   public static void main(String[] args) {
    // Scanner object scan is defined
      Scanner scan = new Scanner(System.in);
    // multi-dimensional array to hold the jersey number and rating
      int[][] players = new int[5][2];
    // boolean flag to keep program alive
      boolean keepAlive = true;
    // the user input is declared as input of type char
      char input;
      
    // for loop that receive 5 player jersey number and ratings
    // it assigns the received input to the already initialized array
      for (int i = 0; i < 5; i++) {
         System.out.println("Enter player " + (i+1) + "'s jersey number: ");
         players[i][0] = scan.nextInt();
         System.out.println("Enter player " + (i+1) + "'s rating: ");
         players[i][1] = scan.nextInt();
         System.out.println();
      }
    // a blank line is printed
      System.out.println();
    // a method is called to display players array
      outputRoster(players, 0);
      
    // while the flag is true
    // display the Menu by calling the outputMenu method
      while (keepAlive) {
         outputMenu();
        // user input is assigned to input
         input = scan.next().charAt(0);
        //  if user input is 'q' then program will quit
         if (input == 'q') {
            keepAlive = false;
            break;
         } 
        //  else if input is o, then outputRoaster is called to display players
         else if (input == 'o') {
            outputRoster(players, 0);
         }
        //  else if input is 'u', then user is allowed to edit a player rating
         else if (input == 'u') {
            System.out.println("Enter a jersey number: ");
            int jerseyNum = scan.nextInt();
            System.out.println("Enter a new rating for the player: ");
            int newRating = scan.nextInt();
            for (int l = 0; l < 5; l++) {
               if (players[l][0] == jerseyNum) {
                  players[l][1] = newRating;
               }
            }
         }
        //  else if input is 'a', user is allowed to add a new rating
         else if (input == 'a') {
            System.out.println("Enter a rating: ");
            int rating = scan.nextInt();
            outputRoster(players, rating);
         }
         // else if input is 'r', user is allowed to replace a player
         else if (input == 'r') {
            System.out.println("Enter a jersey number: ");
            int jerseyNum = scan.nextInt();
            boolean exists = true;
            for (int l = 0; l < 5; l++) {
               if (players[l][0] == jerseyNum) {
                  System.out.println("Enter a new jersey number: ");
                  players[l][0] = scan.nextInt();
                  System.out.println("Enter a rating for the new player: ");
                  players[l][1] = scan.nextInt();
               }
            }
            
         }
      }
      
      return;
   }
   
// this method take two parameters, players and min
// it then returns player with ratings greater than min
   public static void outputRoster(int[][] players, int min) {
      System.out.println(((min>0) ? ("ABOVE " + min) : ("ROSTER")));
      int item = 1;
      for (int[] player : players) {
         if (player[1] > min) {
            System.out.println("Player " + item + " -- Jersey number: " + player[0] + ", Rating: " + player[1]);
         }
         item++;
      }
      System.out.println();
   }
   
// outputMenu method to display the program menu
   public static void outputMenu() {
      System.out.println("MENU");
      System.out.println("u - Update player rating");
      System.out.println("a - Output players above a rating");
      System.out.println("r - Replace player");
      System.out.println("o - Output roster");
      System.out.println("q - Quit\n");
      System.out.println("Choose an option: ");  
   }
}
Explanation:
The program is written in Java and it is well commented.