4 balls or hit by a pitch.
There are 19 ways to do this.
many ways
There is many ways to grip a baseball, but I would start with the 4- seam grip.
strikeout, groundout, flyout, tagout
A baseball can break by being hit too hard, or too many times
4*3*2*1 = 24 ways.
2 Swing and miss or call strike by the umpire.
81
5005
Went walking
Home rune, steal home, Balked in the the pitcher, Walked in with bases loaded, by the batter hitting a single, Sack file, Run down between third and home, passed ball by the pitcher or catcher
there are many ways, many ways, many many ways, a lot of ways, a lot of lot of ways, lots of ways... :O