WINNING AND LOSING PITCHER 

10.19 (a) Credit the starting pitcher with a game won only if he has pitched at
least five complete innings and his team not only is in the lead when he is
replaced but remains in the lead the remainder of the game. 
(b) The "must pitch five complete innings" rule in respect to the starting
pitcher shall be in effect for all games of six or more innings. In a five inning
game, credit the starting pitcher with a game won if he has pitched at least
four complete innings and his team not only is in the lead when he is
replaced but remains in the lead the remainder of the game. 
(c) When the starting pitcher cannot be credited with the victory
because of the provisions of 10.19 (a) or (b) and more than one relief pitcher
is used, the victory shall be awarded on the following basis: 
(1) When, during the tenure of the starting pitcher, the winning team
assumes the lead and maintains it to the finish of the game, credit the victory
to the relief pitcher judged by the scorer to have been the most effective; 
(2) Whenever the score is tied the game becomes a new contest
insofar as the winning and losing pitcher is concerned; 
(3) Once the opposing team assumes the lead all pitchers who have
pitched up to that point are excluded from being credited with the victory
except that if the pitcher against whose pitching the opposing team gained
the lead continues to pitch until his team regains the lead, which it holds to
the finish of the game, that pitcher shall be the winning pitcher; 
(4) The winning relief pitcher shall be the one who is the pitcher of
record when his team assumes the lead and maintains it to the finish of the
game. EXCEPTION: Do not credit a victory to a relief pitcher who is
ineffective in a brief appearance, when a succeeding relief pitcher pitches
effectively in helping his team maintain the lead. In such cases, credit the
succeeding relief pitcher with the victory. 
(d) When a pitcher is removed for a substitute batter or substitute
runner, all runs scored by his team during the inning in which he is removed
shall be credited to his benefit in determining the pitcher of record when his
team assumes the lead. 
(e) Regardless of how many innings the first pitcher has pitched, he
shall be charged with the loss of the game if he is replaced when his team is
behind in the score, or falls behind because of runs charged to him after he is
replaced, and his team thereafter fails either to tie the score or gain the lead. 
(f) No pitcher shall be credited with pitching a shutout unless he pitches
the complete game, or unless he enters the game with none out before the
opposing team has scored in the first inning, puts out the side without a run
scoring and pitches all the rest of the game. When two or more pitchers
combine to pitch a shutout a notation to that effect should be included in the
league's official pitching records. 
(g) In some non championship games (such as the Major League All
Star Game) it is provided in advance that each pitcher shall work a stated
number of innings, usually two or three. In such games, it is customary to
credit the victory to the pitcher of record, whether starter or reliever, when the
winning team takes a lead which it maintains to the end of the game, unless
such pitcher is knocked out after the winning team has a commanding lead,
and the scorer believes a subsequent pitcher is entitled to credit for the
victory. 




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