Como posso combinar dois procedimentos em um para preencher uma tabela em vez de cada um dos dois procedimentos preencher sua própria tabela?

variable declarations
cursor declarations
handler declarations
everything else

INSERT INTO ip_ER_subtotal
    SELECT Starting_Pitcher, Game_Date, Game_Number, innings_pitched, 0.0
        FROM starting_pitchers_game_log;

INSERT INTO pitcher_stats_temp
    (Starting_Pitcher, Game_Date, Game_Number, innings_pitched, er)
  SELECT pitcher_id, game_date, game_seq, innings_pitched, runs
    FROM starting_pitchers_game_log;

DROP PROCEDURE IF EXISTS pitcher_stats_era;

DELIMITER $$

CREATE PROCEDURE pitcher_stats_era()
  BEGIN
    DECLARE pit_id CHAR(10);
    DECLARE gdate DATE;
    DECLARE seq INT;
    DECLARE in_pit REAL;
    DECLARE er INT;
    DECLARE accum_ip REAL;
    DECLARE accum_er INT;
    DECLARE earned_run_avg REAL;
    DECLARE prev_year YEAR(4);
    DECLARE end_of_cursor BOOLEAN;

    DECLARE no_table CONDITION FOR SQLSTATE '42S02';

    DECLARE c1 CURSOR FOR
      SELECT pitcher_id, game_date, game_seq, innings_pitched, earned_runs
        FROM pitcher_stats_temp
        ORDER BY pitcher_id, game_date, game_seq;

    DECLARE CONTINUE HANDLER FOR NOT FOUND
      SET end_of_cursor := TRUE;

    DECLARE EXIT HANDLER FOR no_table
    BEGIN
      SIGNAL no_table
        SET MESSAGE_TEXT = "Work table not initialized. Please call pitcher_stats_reset() before continuing",
        MYSQL_ERRNO = 1146;
    END;
------------------------------------------------------------------
-- The following steps are now performed by pitcher_stats_reset()
------------------------------------------------------------------
--  TRUNCATE TABLE ip_subtotal;  -- Clear our work table for a new run
    -- Copy data from main table into work table
--  INSERT INTO ip_subtotal
--      (pitcher_id, game_date, game_seq, innings_pitched, earned_runs)
--    SELECT pitcher_id, game_date, game_seq,
--        IFNULL(innings_pitched, 0),  -- replace NULL with 0, if
--        IFNULL(runs, 0)              --   column not initialized
--      FROM starting_pitchers_game_log;
---------------------------------------------------------------------

    SET end_of_cursor := FALSE;  -- reset
    SET prev_year := 0;          -- reset control-break

    OPEN c1;

    fetch_loop: LOOP
      FETCH c1 INTO pit_id, gdate, seq, in_pit, er;
      IF end_of_cursor THEN
        LEAVE fetch_loop;
      END IF;

      -- check control-break conditions
      IF YEAR(gdate) != prev_year THEN
        SET accum_ip := 0.0;
        SET accum_er := 0;
        SET prev_year := YEAR(gdate);
      END IF;

      SET accum_ip := accum_ip + in_pit;
      SET accum_er := accum_er + er;
      IF accum_er = 0 THEN  -- prevent divide-by-zero
        SET earned_run_avg := 0;
      ELSE
        SET earned_run_avg := (accum_ip / accum_er) * 9;
      END IF;

      UPDATE pitcher_stats_temp
        SET ip_total = accum_ip,
            er_total = accum_er,
            std_era = earned_run_avg
        WHERE pitcher_id = pit_id
          AND game_date = gdate
          AND game_seq = seq;

    END LOOP;

    CLOSE c1;
  END
$$
DELIMITER ;