Here's the all-time list as of the start of the 2008 season:
OAKLAND A'S
CAREER
AT BATS >= 500
AVERAGE AVG AB
1 Al Simmons .356 5132
2 Ty Cobb .343 843
3 Jimmie Foxx .339 4397
4 Eddie Collins .336 3883
5 Nap Lajoie .324 1464
6 Barney McCosky .322 1575
7 Mickey Cochrane .321 4097
8 Bill Lamar .321 1678
9 Home Run Baker .321 3437
10 George Burns .317 1084
11 Stuffy McInnis .313 3809
12 Bing Miller .311 4762
13 Doc Cramer .308 2649
14 Jason Giambi .308 3398
15 Wally Moses .307 4289
16 Mike Higgins .307 2208
17 Sammy Hale .305 2607
18 Walt French .303 981
19 Mule Haas .302 2518
20 Lave Cross .302 2732
21 Bob Johnson .298 5428
22 Dave Fultz .297 1067
23 Ferris Fain .297 2991
24 Socks Seybold .296 3596
25 Dee Miles .293 1072
26 Geronimo Berroa .293 1733
27 Harry Simpson .291 1344
28 Ping Bodie .291 557
29 Earle Brucker .290 707
30 Danny Murphy .290 5134
31 Vic Power .290 2260
32 Norm Siebern .289 2236
33 Luis Polonia .288 929
34 Carney Lansford .288 4568
35 Jim Poole .288 940
36 Shannon Stewart .288 576
37 Rickey Henderson .288 6140
38 Bob Cerv .288 1401
39 Jay Payton .287 832
40 Bobby Estalella .287 1344
41 Tilly Walker .287 2685
42 Hal Smith .287 1109
43 Randy Velarde .286 873
44 Elmer Valo .285 4308
45 Claudell Washington .285 1301
46 Joe Hauser .285 1996
47 Amos Strunk .283 3447
48 Russ Snyder .283 547
49 Hank Majeski .283 2221
50 Jimmy Dykes .283 6023
51 Dick Siebert .283 3869
52 Ed Coleman .283 803
53 Erubiel Durazo .283 1200
54 Mark Kotsay .282 1896
55 Chubby Dean .282 876
56 Ben Grieve .280 1756
57 Troy Neel .280 758
58 Harry Davis .279 5367
59 Dave Revering .279 1456
60 Jerry Lumpe .279 2782
61 Hector Lopez .278 2134
62 Dave Philley .278 1674
63 Lou Finney .278 2454
64 Danny Cater .277 2042
65 Eddie Murphy .277 1483
66 Whitey Witt .277 2322
67 Dick Williams .276 908
68 Lou Skizas .276 673
69 Frank Welch .276 2282
70 Bill Werber .275 992
71 Manny Sanguillen .275 571
72 Terry Steinbach .275 4162
73 Eric McNair .274 2617
74 Rocky Colavito .274 588
75 Harold Baines .274 1060
76 Alfredo Griffin .273 1702
77 Donnie Hill .273 1064
78 Max Bishop .272 4119
79 Brent Gates .272 1539
80 Joe Rudi .272 3993
81 Manny Jimenez .272 875
82 George Kell .272 1173
83 Bill McGhee .272 537
84 Jeremy Giambi .272 788
85 Joe Gantenbein .272 545
86 Bruce Bochte .272 1300
87 Rube Oldring .271 4502
88 Bill North .271 2447
89 Jason Kendall .271 1445
90 Mark Ellis .271 2356
91 Felipe Alou .271 583
92 Dib Williams .271 1323
93 Jerry Browne .271 584
94 Wayne Causey .270 2367
95 Frankie Hayes .270 3351
96 Eric Byrnes .270 1317
97 Miguel Tejada .270 3584
98 Billy Hitchcock .269 1028
99 Eric Chavez .269 4553
100 Scott Hatteberg .269 2047
101 Joe Boley .269 1776
102 Hal Peck .269 607
103 Sam Chapman .268 4742
104 Matt Stairs .268 2019
105 Dario Lodigiani .268 719
106 Ed Charles .268 2621
107 Joe Dugan .268 1884
108 Mike Davis .267 2545
109 Jack Lapp .267 1480
110 Jeff Burroughs .267 757
111 Gino Cimoli .267 1088
112 Topsy Hartsel .267 4075
113 Mitchell Page .266 2092
114 Olmedo Saenz .266 930
115 Jim Finigan .265 1282
116 Terrence Long .265 2286
117 Danny Hoffman .265 928
118 Wally Schang .264 1619
119 Benny McCoy .264 1007
120 Chick Galloway .264 3435
121 Jose Canseco .264 3970
122 Dick Howser .263 938
123 Jose Tartabull .263 1276
124 Rick Monday .263 2059
125 Dave Henderson .263 2553
126 Bert Campaneris .262 7180
127 Reggie Jackson .262 4686
128 Marcos Scutaro .262 1539
129 Ed Busch .262 917
130 Ossee Schreckengost .261 2218
131 Dave Parker .261 930
132 Bill Tuttle .261 1617
133 Irv Hall .261 1904
134 George Alusik .260 634
135 Roger Maris .260 834
136 Mark McGwire .260 4448
137 Mike Aldrete .260 558
138 Davey Lopes .260 1174
139 Ford Garrison .259 509
140 Cy Perkins .259 3556
141 Gus Zernial .259 3115
142 Mike Bordick .258 2643
143 Bris Lord .258 2082
144 Ivy Griffin .257 638
145 Willie Wilson .257 690
146 Dusty Baker .256 585
147 Johnny Damon .256 644
148 Ollie Pickering .255 967
149 Mike Epstein .255 784
150 Harry Chiti .255 647
151 Sal Bando .255 5145
152 Mario Guerrero .255 1052
153 Stan Javier .255 1866
154 Joe Astroth .254 1579
155 Ramon Hernandez .253 1894
156 Ruben Sierra .253 1421
157 Bill Almon .252 662
158 Mike Edwards .252 873
159 Jermaine Dye .252 1473
160 Spook Jacobs .252 628
161 Buddy Rosar .251 1480
162 Nick Swisher .251 1617
163 Ira Thomas .251 928
164 Mike Heath .251 2438
165 Phil Garner .251 1076
166 Adam Melhuse .251 542
167 Jamie Quirk .250 511
168 Cass Michaels .250 611
169 Tony Armas .250 2484
T170 Scott Spiezio .250 1220
T170 Bobby Kielty .250 920
T170 Jack Barry .250 3072
173 Tony Phillips .250 2994
174 Simon Nicholls .250 1125
175 Mike Guerra .250 901
176 Jim Gentile .250 557
177 Eddie Joost .249 3367
178 Pete Suder .249 5085
179 Rafael Bournigal .249 683
180 Dan Johnson .249 1077
181 Scott Brosius .248 1988
182 Ray Murray .247 526
183 Dwayne Murphy .247 4047
184 Mike Hershberger .246 1887
185 Walt Weiss .246 1608
186 John Jaha .245 599
187 Jack Coombs .245 815
188 Gene Tenace .245 2458
189 Rabbit Warstler .245 1151
190 Angel Mangual .245 1237
191 Jimmy Collins .243 805
192 Jason McDonald .242 598
193 Frank House .242 549
194 Beauty McGowan .242 587
195 Ray Webster .241 638
196 John Donaldson .240 887
197 Red Shannon .240 504
198 Bobby Crosby .240 1597
199 Dick Green .240 4007
200 Haywood Sullivan .240 718
201 Joe DeMaestri .239 3105
202 Don Baylor .239 859
203 Ken Harrelson .239 1232
204 Jo-Jo White .239 767
205 Dave Kingman .239 1702
206 Ryan Christenson .237 771
207 Dave McKay .237 731
208 Don Mincher .236 609
209 Tommie Reynolds .236 698
210 Eddie Robinson .236 787
211 Rob Picciolo .236 1461
212 George Earnshaw .235 507
213 Wayne Gross .235 2566
214 Hal Wagner .234 883
215 Ron Hassey .234 845
216 Skeeter Newsome .233 1350
217 Bobby Del Greco .233 883
218 Jim Essian .233 1012
219 Doc Edwards .233 554
220 Nelson Mathews .232 757
221 Mike Gallego .232 1863
222 Jimmy Walsh .232 1433
223 Bill Wilson .232 596
224 Charlie Jamieson .231 761
225 Roy Grover .231 615
T226 Billy Williams .231 871
T226 Merlin Kopp .231 598
228 Bill Renna .228 719
229 Frank Menechino .228 873
230 Ernie Young .227 717
231 Catfish Hunter .227 657
232 Jeff Newman .226 1928
233 A.J. Hinch .225 550
234 Deron Johnson .224 940
235 Wayne Ambler .224 782
236 Jim Gosger .224 778
237 Dan Meyer .224 586
238 Ray Fosse .222 832
239 Lance Blankenship .222 1050
240 Mickey Tettleton .221 709
241 Monte Cross .221 2411
242 Ted Kubiak .221 1051
243 Fred Thomas .219 708
244 Billy Bryan .218 779
245 Dave Duncan .217 1525
246 Craig Paquette .217 725
247 Al Brancato .214 930
248 Mike Powers .213 1749
249 Phil Roof .213 1007
250 Alex Kellner .208 606
251 Eddie Plank .206 1395
252 Chief Bender .206 1005
253 Lou Limmer .202 530
254 John Knight .201 717
255 Wickey McAvoy .199 674
256 Eddie Rommel .199 826
257 Rube Walberg .182 769
258 Rube Waddell .164 665
259 Lefty Grove .158 853
Dave Magadan hit for .525 in 1983
Ted Williams had a career batting average of .344, 521 home runs and 1,839 RBIs
yes, at the catholic university of America. i believe he still holds the record for career batting average there
As a pitcher Babe Ruth had a career record of 94 wins 46 losses with a 2.28 ERA. As a hitter he had a career batting average of .342 with 714 home runs, and 2,217 RBIs.
John Olerud (1B) had a batting average of .354 in 1998 which is the current record. John Olerud also holds the record of best career Met batting average with a .315.
Babe Ruth as a pitcher had a career record of 94 wins 46 losses with a 2.28 ERA. As a hitter Babe Ruth had a career batting average of .342 714 home runs, and 2,217 RBIs.
Pete Rose has the all-time Major League Baseball (MLB) record for most at-bats (AB) with 14,053 at-bats in his 24-year MLB career - 1689 more than Henry "Hank" Aaron, who is #2 on the all-time career at-bats list.The active MLB player with the most career at-bats is Derek Jeter of the New York Yankees with 10,025 career at-bats.
If you mean in a career, nobody has remotely approached it. His .366 LIFETIME batting average has been bested for ONE YEAR in either league only twelve times in the last fifty years. Cobb never held the record for highest batting average in a season. It was set by Hugh Duffy at .440 in 1894, and it is inconceivable to me that it will ever be broken.
Hugh Duffy of Boston in 1894 with a Batting average of .440.
As of the start of the 2009 season, the active MLB player with the highest batting average is Albert Pujols of the St. Louis Cardinals at .334. Ichiro Suzuki of the Mariners is second at .331 and Todd Helton of the Rockies is third at .328.The highest all time career MLB batting average is Ty Cobb at .366.Now its Derek jeter in 2009 with .400
Clemente hit .357 for the Pittsburgh Pirates in 1967, his highest batting average in any one season during his career. Incidently, the Pirates finished 6th in the 10 team National League that season with an 81-81 record.
John Olerud holds the record for highest batting average by a New York Met in a single season with .354 in 1998