def clean_fielding(df):
    """
    Clean the fielding dataset.
    
    Remove unused columns.

    - df: fielding dataframe
    - return: cleaned dataframe
    """
    #Remove unused columns:
    df = df.drop(["PO", "A", "E", "DP", "PB", "WP", "SB", "CS", "ZR", 
                  "InnOuts"], axis=1)
    
    return df