Mike Piazza has hit the most career grand slams for the Mets, with 6 grand slams.

	NAME	GRANDSLAM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Mike Piazza M. Piazza	6	972	3,478	532	1,028	193	2	220	655	424	17	546	7	9	3,941	1,885	415	0	22	82	132	.296	.373	.542	.915
2	Francisco Lindor F. Lindor	5	758	2,946	503	768	148	11	141	445	304	55	624	117	24	3,338	1,361	300	6	27	9	42	.261	.338	.462	.800
3	Yoenis Cespedes Y. Cespedes	5	316	1,172	180	327	63	7	76	205	106	15	288	10	3	1,304	632	146	0	11	18	28	.279	.344	.539	.883
4	Carlos Beltran C. Beltran	5	839	3,133	551	878	208	17	149	559	449	13	545	100	16	3,640	1,567	374	7	38	55	56	.280	.369	.500	.869
5	Robin Ventura R. Ventura	5	444	1,513	219	394	81	1	77	265	237	6	301	6	11	1,771	708	159	2	13	32	41	.260	.360	.468	.828
6	Kevin McReynolds K. McReynolds	5	787	2,910	405	791	153	14	122	456	263	9	341	67	16	3,218	1,338	289	3	33	37	45	.272	.331	.460	.790
7	Howard Johnson H. Johnson	5	1,154	3,968	627	997	214	18	192	629	556	13	827	202	63	4,591	1,823	424	4	50	101	47	.251	.341	.459	.801
8	Pete Alonso P. Alonso	4	1,008	3,763	580	951	183	8	264	712	419	100	984	18	4	4,316	1,942	455	0	34	47	108	.253	.341	.516	.857
9	Brandon Nimmo B. Nimmo	4	1,066	3,723	593	974	188	32	135	463	524	87	974	54	18	4,365	1,631	355	9	22	7	46	.262	.364	.438	.802
10	Wilmer Flores W. Flores	4	581	1,866	214	488	96	2	68	253	105	15	261	3	3	2,011	792	166	3	22	6	50	.262	.303	.424	.727
11	David Wright D. Wright	4	1,585	5,998	949	1,777	390	26	242	970	762	45	1,292	196	65	6,870	2,945	658	0	65	73	152	.296	.376	.491	.867
12	Cliff Floyd C. Floyd	4	468	1,643	242	440	92	5	81	273	190	37	325	32	6	1,884	785	178	0	14	24	28	.268	.354	.478	.832
13	Todd Hundley T. Hundley	4	829	2,549	340	612	118	7	124	397	299	22	624	11	9	2,904	1,116	249	15	19	51	48	.240	.323	.438	.761
14	Gary Carter G. Carter	4	600	2,176	272	542	73	7	89	349	219	20	249	2	3	2,448	896	169	2	31	27	66	.249	.319	.412	.731
15	Darryl Strawberry D. Strawberry	4	1,109	3,903	662	1,025	187	30	252	733	580	26	960	191	75	4,549	2,028	469	1	39	108	45	.263	.359	.520	.878
16	George Foster G. Foster	4	655	2,389	290	602	94	7	99	361	185	14	496	5	6	2,610	1,007	200	0	22	29	61	.252	.307	.422	.728
17	Jay Bruce J. Bruce	3	247	894	106	212	43	1	46	131	97	2	220	2	4	996	395	90	0	3	8	15	.237	.312	.442	.754
18	Jason Bay J. Bay	3	288	986	128	231	41	7	26	124	119	7	258	26	2	1,125	364	74	1	12	6	18	.234	.318	.369	.687
19	Carlos Delgado C. Delgado	3	468	1,754	271	468	99	4	104	339	210	33	382	5	1	2,023	887	207	0	26	38	43	.267	.351	.506	.857
20	John Olerud J. Olerud	3	476	1,662	288	524	109	5	63	291	306	28	206	5	2	2,018	832	177	1	21	21	56	.315	.425	.501	.926
21	Carl Everett C. Everett	3	322	924	135	231	49	5	27	126	92	13	222	25	14	1,037	371	81	5	3	7	18	.250	.326	.402	.727
22	Dave Kingman D. Kingman	3	664	2,323	302	509	70	6	154	389	211	18	672	29	12	2,573	1,053	230	6	15	29	49	.219	.287	.453	.741
23	John Milner J. Milner	3	741	2,389	315	586	100	12	94	338	338	8	368	20	14	2,755	992	206	5	15	28	67	.245	.339	.415	.754
24	J.D. Martinez	2	120	434	46	102	24	1	16	69	49	6	141	0	0	491	176	41	0	2	0	17	.235	.320	.406	.725
25	Daniel Vogelbach D. Vogelbach	2	159	424	51	102	17	0	19	73	75	3	128	0	0	502	176	36	0	0	2	9	.241	.359	.415	.774