<P> Each half - inning formally starts when the umpire calls `` Play '' or `` Play ball '' . A full inning consists of six outs , three for each team ; and , in Major League Baseball and most other adult leagues , a regulation game consists of nine innings . The visiting team bats in the first half - inning , the top of the inning , derived from the position of the visiting team at the top line of a baseball line score . The home team 's half of an inning is the bottom of the inning , and the break between halves of an inning is the middle of the inning . If the home team is leading in the middle of the final scheduled inning , or scores to take the lead in the bottom of the final scheduled inning , the game immediately ends in a home victory . </P>
<P> Each half - inning formally starts when the umpire calls `` Play '' or `` Play ball '' . A full inning consists of six outs , three for each team ; and , in Major League Baseball and most other adult leagues , a regulation game consists of nine innings . The visiting team bats in the first half - inning , the top of the inning , derived from the position of the visiting team at the top line of a baseball line score . The home team 's half of an inning is the bottom of the inning , and the break between halves of an inning is the middle of the inning . If the home team is leading in the middle of the final scheduled inning , or scores to take the lead in the bottom of the final scheduled inning , the game immediately ends in a home victory . </P>
who bats first in baseball home or visitor
who bats first in baseball home or visitor
The visiting team
The visiting team