A wee bit of JSON sample data for some practice exercises.

players.json

{
    "players": [
        {
            "id": "girarjo01",
            "firstName": "Joe",
            "lastName": "Girardi",
            "positions": ["C"],
            "team": "NYY",
            "bats": "R",
            "throws": "R"
        },
        {
            "id": "martiti02",
            "firstName": "Tino",
            "lastName": "Martinez",
            "positions": ["1B"],
            "team": "NYY",
            "bats": "L",
            "throws": "R"
        },
        {
            "id": "duncama01",
            "firstName": "Mariano",
            "lastName": "Duncan",
            "positions": ["2B", "SS", "LF"],
            "team": "NYY",
            "bats": "R",
            "throws": "R"
        },
        {
            "id": "jeterde01",
            "firstName": "Derek",
            "lastName": "Jeter",
            "positions": ["SS"],
            "team": "NYY",
            "bats": "R",
            "throws": "R"
        },
        {
            "id": "boggswa01",
            "firstName": "Wade",
            "lastName": "Boggs",
            "positions": ["3B"],
            "team": "NYY",
            "bats": "R",
            "throws": "L"
        },
        {
            "id": "willige02",
            "firstName": "Gerald",
            "lastName": "Williams",
            "positions": ["OF"],
            "team": "NYY",
            "bats": "R",
            "throws": "R"
        },
        {
            "id": "willibe02",
            "firstName": "Bernie",
            "lastName": "Williams",
            "positions": ["CF"],
            "team": "NYY",
            "bats": "S",
            "throws": "R"
        },
        {
            "id": "o'neipa01",
            "firstName": "Paul",
            "lastName": "O'Neill",
            "positions": ["RF"],
            "team": "NYY",
            "bats": "L",
            "throws": "L"
        },
        {
            "id": "sierrru01",
            "firstName": "Rubén",
            "lastName": "Sierra",
            "positions": ["RF"],
            "team": "NYY",
            "bats": "S",
            "throws": "R"
        },
        {
            "id": "pettian01",
            "firstName": "Andy",
            "lastName": "Pettitte",
            "positions": ["SP"],
            "team": "NYY",
            "bats": "L",
            "throws": "L"
        },
        {
            "id": "riverma01",
            "firstName": "Mariano",
            "lastName": "Rivera",
            "positions": ["RP"],
            "team": "NYY",
            "bats": "R",
            "throws": "R"
        },
        {
            "id": "hundlto01",
            "firstName": "Todd",
            "lastName": "Hundley",
            "positions": ["C"],
            "team": "NYM",
            "bats": "S",
            "throws": "R"
        },
        {
            "id": "huskebu01",
            "firstName": "Butch",
            "lastName": "Huskey",
            "positions": ["RF", "1B", "3B"],
            "team": "NYM",
            "bats": "R",
            "throws": "R"
        },
        {
            "id": "vizcajo01",
            "firstName": "José",
            "lastName": "Vizcaíno",
            "positions": ["2B", "SS", "3B"],
            "team": "NYM",
            "bats": "S",
            "throws": "R"
        },
        {
            "id": "ordonre01",
            "firstName": "Rey",
            "lastName": "Ordóñez",
            "positions": ["SS"],
            "team": "NYM",
            "bats": "R",
            "throws": "R"
        },
        {
            "id": "kentje01",
            "firstName": "Jeff",
            "lastName": "Kent",
            "positions": ["2B", "3B", "1B"],
            "team": "NYM",
            "bats": "R",
            "throws": "R"
        },
        {
            "id": "gilkebe01",
            "firstName": "Bernard",
            "lastName": "Gilkey",
            "positions": ["LF"],
            "team": "NYM",
            "bats": "R",
            "throws": "R"
        },
        {
            "id": "johnsla03",
            "firstName": "Lance",
            "lastName": "Johnson",
            "positions": ["CF"],
            "team": "NYM",
            "bats": "L",
            "throws": "L"
        },
        {
            "id": "ochoaal01",
            "firstName": "Alex",
            "lastName": "Ochoa",
            "positions": ["RF"],
            "team": "NYM",
            "bats": "R",
            "throws": "R"
        },
        {
            "id": "clarkma01",
            "firstName": "Mark",
            "lastName": "Clark",
            "positions": ["SP"],
            "team": "NYM",
            "bats": "R",
            "throws": "R"
        },
        {
            "id": "francjo01",
            "firstName": "John",
            "lastName": "Franco",
            "positions": ["RP"],
            "team": "NYM",
            "bats": "L",
            "throws": "L"
        }
    ]
}