Bill Wambsganss executed an unassisted triple play in the 1920 World Series. The rarest type of triple play, and one of the rarest events of any kind in baseball, is for a single fielder to complete all three outs in one play.

Hence the key numbers for baseball totals are seven, nine, and 11. Roughly 30% of games end with seven, nine or 11 total runs tallied. These are the three most frequent totals for baseball games.

Total bases are the sum of the player's home runs x 4, triples x 3, doubles x 2, and singles. Avg.: Divide the number of hits by the number of at-bats to compute Avg., which is the player's the batting average.