Far too many.
There were lockouts in 1973, 1976, and 1990; as well as strikes in 1972, 1980, 1981, and 1994 -- the latter resulted in the cancellation of the World Series that year.
Yes
jackie robinson
The heaviest pitcher in MLB History is definitely Nolan Ryan.
15 players have had a 4-homer game in the Majors; no one has ever done it twice.
The worst record to win a division in MLB history was 82-80 by the San Diego Padres, the National League West Division winners in 2005.
Lockout Detroit
No woman has ever played in MLB
The last major sports strike was the 2004-5 NHL lockout. If you don't consider that a strike, then the last was the 1994 MLB strike.
yes
The MLB player with the most all-star appearances in history is Hank Aaron, with 25 appearances.
no
Mark Mcgwire