21 42 44 | Brandon Belt's 21-pitch at-bat against 21-year-old Jaime Barria, an MLB record, April 22, 2018

Of course, the pitcher is 21-years-old.

B.B. on the 22nd day of April.  B = 2

His 30th birthday was 2-days earlier, April 20.

21 pitches...
21-year-old...

http://bleacherreport.com/articles/2771932-brandon-belts-21-pitch-at-bat-breaks-mlb-record-for-most-pitches-seen-in-an-ab?utm_source=cnn.com&utm_medium=referral&utm_campaign=editorial

http://www.espn.com/mlb/boxscore?gameId=380422103

Twenty-One = 42 (Score of 4-2)

As for the pitcher involved, this game 87-days before his birthday (span of 88).

Today was also right for an 'at-bat' record.

At Bat = 44 (Ordinal); Brandon Belt = 44; 4/22/18 = 4+22+18 = 44