First Basemen Season On-Base Pct Leaderboard

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First Basemen Single-Season On-Base Pct Leaderboard

* - Indicates Hall of Fame + - indicates hit-less at-bats added to meet 446PA requirement.

Rank	Player	On-Base Pct	PA	Year
1.	Scott Perrotta	.4660	516	1952
2.	Mark Newhouse	.4614	557	1952
3.	Sean Hughes	.4457	599	1955
4.	Jonathan Blackmer	.4412	587	1952
5.	August Jones	.4372	550	1953
6.	August Jones	.4286	583	1954
7.	Sean Hughes	.4281	584	1953
8.	Scott Perrotta	.4242	594	1955
9.	August Jones	.4222	564	1952
10.	Orville Swartz	.4197	530	1952
11.	August Jones	.4186	594	1955
12.	Robert Richard	.4150	600	1955
13.	Sean Hughes	.4148	593	1954
14.	Orville Swartz	.4141	512	1955
15.	Arthur Folsom	.4133	520	1955
16.	Mark Newhouse	.4095	611	1953
17.	Jonathan Blackmer	.4091	594	1954
	Kevin Pazos	.4091	550	1954
19.	Clifford Morrone	.4081	615	1954
20.	Jonathan Blackmer	.4080	603	1955
21.	Scott Perrotta	.4077	542	1954
22.	Mark Newhouse	.4075	585	1955
23.	James Defrancisco	.4054	523	1954
24.	Bernie Opitz	.4036+	439	1954
25.	Kevin Pazos	.4013	603	1952
26.	Jonathan Blackmer	.4013	628	1953
27.	Derrick Frasure	.4000	555	1955
	Robert Richard	.4000	590	1952
29.	Robert Richard	.3991	467	1954
30.	William Milligan	.3962	526	1955
31.	Clifford Morrone	.3951	611	1953
32.	Mark Newhouse	.3934	580	1954
33.	Clifford Morrone	.3917	600	1955
34.	Scott Perrotta	.3904	479	1953
35.	Brian Davis	.3904	561	1952
36.	Daniel Newburn	.3895	611	1955
37.	Preston McClain	.3885	520	1955
38.	Randy McMurtry	.3853	468	1954
39.	Preston McClain	.3843	562	1953
40.	Orville Swartz	.3821	458	1954
41.	Rod Madera	.3815	595	1953
42.	Preston McClain	.3812+	427	1954
43.	Derrick Frasure	.3798	495	1953
44.	Robert Richard	.3788	586	1953
45.	Preston McClain	.3788	558	1952
46.	Arthur Folsom	.3786	560	1954
47.	Daniel St. George	.3784	555	1955
48.	Sean Hughes	.3781	558	1952
49.	Clifford Morrone	.3759	591	1952
50.	Randy McMurtry	.3754	578	1955
51.	Orville Swartz	.3741	540	1953
52.	Derrick Frasure	.3720	508	1954
53.	James Defrancisco	.3716+	441	1952
54.	Erubiel Ibañez	.3697	541	1952
55.	Daniel St. George	.3695	544	1954
56.	Rod Madera	.3670	564	1954
57.	James Defrancisco	.3655+	444	1955
58.	William Milligan	.3636	464	1953
59.	Rod Madera	.3625	618	1955
60.	David Metivier	.3616	500	1953
61.	Chester Sales	.3598	492	1955
	Bernie Opitz	.3598	493	1952
63.	Elden Bennett	.3571	449	1954
64.	William Milligan	.3520+	432	1952
65.	Derrick Frasure	.3511	450	1952
66.	Chester Sales	.3488	559	1952
67.	Elden Bennett	.3465	606	1955
68.	Chester Sales	.3464	560	1954
69.	Chester Sales	.3422	565	1953
70.	Rod Madera	.3382	550	1952
71.	Erubiel Ibañez	.3263	525	1953
72.	Bernie Opitz	.3260	500	1955
73.	Brian Davis	.3199	548	1953
74.	Bernie Opitz	.3079+	385	1953
75.	Cristobal Evangelista	.3043	529	1955
76.	Cristobal Evangelista	.2960+	393	1953
77.	James Defrancisco	.2937+	379	1953
78.	Anthony Bergh	.2915+	424	1954
79.	Daniel St. George	.2912+	322	1952
80.	Kevin Pazos	.2735+	342	1953
81.	Donald Rogers	.2671	554	1952