Nelson Cruz has the most career strikeouts by a player older than 30, with 1,499 strikeouts.

Interpreted as:

most strikeouts by a player after age 30

	NAME	SO	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Nelson Cruz N. Cruz	1,499	1,580	5,842	855	1,609	279	8	369	1,046	587	79	37	17	6,556	3,011	656	0	48	64	147	.275	.347	.515	.862
2	Jim Thome J. Thome	1,346	1,345	4,364	784	1,170	216	8	336	907	896	32	2	8	5,331	2,410	560	0	39	109	84	.268	.394	.552	.946
3	Reggie Jackson R. Jackson	1,332	1,425	4,904	734	1,266	210	21	277	860	703	33	54	41	5,669	2,349	508	1	28	72	100	.258	.353	.479	.832
4	Andres Galarraga A. Galarraga	1,194	1,386	4,932	797	1,490	272	18	293	987	357	131	73	48	5,462	2,677	583	0	42	56	115	.302	.362	.543	.905
5	Raul Ibanez R. Ibanez	1,131	1,636	6,012	849	1,636	343	36	246	965	586	23	36	23	6,676	2,789	625	1	54	72	138	.272	.336	.464	.800
6	Craig Biggio C. Biggio	1,107	1,633	6,391	1,116	1,781	423	27	197	711	610	200	193	52	7,299	2,849	647	50	48	36	93	.279	.357	.446	.803
7	Willie Stargell W. Stargell	1,066	1,298	4,260	685	1,223	253	17	279	885	592	41	6	7	4,936	2,347	549	0	43	134	67	.287	.376	.551	.927
8	Tony Perez T. Perez	1,030	1,605	5,541	676	1,528	307	39	193	926	540	20	24	18	6,165	2,492	539	1	63	80	153	.276	.339	.450	.788
9	Torii Hunter T. Hunter	1,017	1,357	5,198	753	1,474	293	15	206	836	389	56	93	50	5,692	2,415	514	4	45	31	152	.284	.337	.465	.802
10	Curtis Granderson C. Granderson	1,013	1,091	3,608	570	830	178	21	177	452	512	39	49	21	4,191	1,581	376	4	28	20	31	.230	.330	.438	.768
11	Tony Phillips T. Phillips	1,003	1,311	4,964	937	1,359	252	25	127	553	972	31	118	71	6,030	2,042	404	23	40	39	81	.274	.393	.411	.805
12	Dave Winfield D. Winfield	996	1,611	6,079	934	1,711	312	40	261	1,033	665	11	74	42	6,809	2,886	613	8	46	69	195	.281	.351	.475	.826
13	Jason Giambi J. Giambi	970	1,307	3,869	626	962	177	2	253	766	780	132	11	6	4,825	1,902	432	0	44	48	83	.249	.388	.492	.880
14	Alfonso Soriano A. Soriano	967	1,014	3,848	528	1,004	241	13	204	599	272	31	79	24	4,177	1,883	458	1	25	37	84	.261	.313	.489	.802
15	Fred McGriff F. McGriff	962	1,313	4,773	646	1,354	239	8	231	840	626	22	27	15	5,460	2,302	478	0	39	77	137	.284	.367	.482	.849
16	Rickey Henderson R. Henderson	958	1,609	5,437	1,124	1,452	249	19	159	554	1,194	65	535	134	6,742	2,216	427	12	34	30	88	.267	.403	.408	.810
17	David Ortiz D. Ortiz	954	1,365	4,974	797	1,435	369	8	310	1,005	779	19	11	7	5,821	2,750	687	1	48	148	155	.289	.384	.553	.937
18	Edgar Martinez E. Martinez	950	1,492	5,273	904	1,654	385	7	260	1,044	1,020	68	32	18	6,423	2,833	652	2	60	97	136	.314	.427	.537	.964
19	Jim Edmonds J. Edmonds	944	1,083	3,471	615	962	235	12	217	640	580	25	28	19	4,119	1,872	464	6	37	62	62	.277	.381	.539	.920
20	Paul Goldschmidt P. Goldschmidt	940	999	3,693	576	1,021	215	5	163	523	434	21	52	5	4,168	1,735	383	0	20	19	77	.276	.354	.470	.824
21	Sammy Sosa S. Sosa	937	945	3,524	634	995	173	10	273	726	501	23	10	8	4,088	2,007	456	0	40	90	81	.282	.372	.570	.941
22	Alex Rodriguez A. Rodriguez	932	1,095	4,003	704	1,111	195	5	245	787	552	72	94	16	4,676	2,051	445	0	49	41	111	.278	.371	.512	.883
23	Bobby Abreu B. Abreu	931	1,258	4,340	704	1,206	277	18	122	689	714	17	190	59	5,119	1,885	417	3	45	41	91	.278	.379	.434	.813
24	Mike Cameron M. Cameron	931	903	3,311	497	818	198	23	147	458	395	39	103	30	3,775	1,503	368	7	23	9	52	.247	.332	.454	.786
25	Willie Mays W. Mays	930	1,595	5,550	1,023	1,600	255	45	332	945	796	24	115	30	6,425	2,941	632	12	43	95	133	.288	.377	.530	.907