DYK: Mariano Rivera is the only pitcher in MLB history to record the final out of four different World Series (1998, 1999, 2000, 2009). OTD in 2013, Rivera mad

DYK: Mariano Rivera is the only pitcher in MLB history to record the final out of four different World Series (1998, 1999, 2000, 2009). OTD in 2013, Rivera made his 1,115th and final regular season appearance. In 2019 he was unanimously elected to the Hall of Fame. #HHM [📷](https://pbs.twimg.com…