Pete Alonso will be 10th rookie to set team home run record.

Rookies who set their team home run record since 1920:

	Player	HR	Year	Years	team year
Tigers	Dale Alexander	24	1929	5
Braves	Wally Berger	38	1930	23
White Sox	Zeke Bonura	27	1934	17
Indians	Hal Trosky	35-42	1934	19
Pirates	Johnny Rizzo	23	1938	8
Pirates	Ralph Kiner	23-54	1946	73
Padres	Nate Colbert	24-38	1969	27	1
Marlins	Orestes Destrade	20	1993	1	1
D'Backs	Travis Lee	22	1998	1	1

Met 2019 rookie Pete Alonso has 40 home runs, one less than the team record held by:
Todd Hundley 41 1996
Carlos Beltran 41 2004

Marlins and D'Backs records were set in the first year the teams existed.

The Years field shows the number of years the player held the record. A range of home runs: lowest and highest number for a player who broke his own team record.

Pete Alonso: the Met, the man, Mr. Met. Sets NL rookie HR record. Monday, August 19, 2019 9:07 AM