17 18 27 39 42 57 60 61 239 | Death of Lyman Bostock, September 23, before the 1978 World Series

Notice this man died prematurely, September 23, 1978, at the age of 27. 
Ritual = 27; MLB = 27; Baseball = 27

His full name sums to 239, like 23/9, September 23.

His death came 60-days before his birthday, or a span of 61-days.

Moses Walker is the first black baseball player in white major league, playing in 42-games.

As for him dying a span of 61-days, 61 is the 18th prime number; Baseball = 18 (Reduction)

More on his name gematria is as follows:

Gary, Indiana = 68; Caskets go 6' deep, are 8' long...

Read more about his death here:

https://en.wikipedia.org/wiki/Lyman_Bostock#Death

As for him dying in Gary, it came 17-days before the start of the World Series, which began October 10, and ended October 17.  It was also a span of 18-days.  Baseball = 18 (Reduction)

Kill = 17; Mason = 17

It was the 75th World Series that year.

10/10/1978 = 1+0+1+0+1+9+7+8 = 27 (MLB = 27) (Baseball = 27) (Ritual = 27)

Notice New York won the World Series...

He died on a date with 39 numerology.

9/23/1978 = 9+2+3+1+9+7+8 = 39