Here's the all-time list as of the start of the 2008 season:
CAREER
AT BATS >= 1000
AVERAGE AVG AB
1 Cy Seymour .332 2221
2 Edd Roush .331 5384
3 Jake Beckley .325 3465
4 Babe Herman .315 1306
5 Bubbles Hargrave .314 2367
6 Alex Johnson .313 1126
7 Tony Cuccinello .313 1018
8 Sam Crawford .312 1586
9 Rube Bressler .311 2223
10 Ernie Lombardi .311 3980
11 Bug Holliday .311 3648
12 Dusty Miller .308 2382
13 Pete Rose .307 10934
14 Pat Duncan .307 2690
15 Hal Chase .306 1403
16 Sean Casey .305 4007
17 Hal Morris .305 3382
18 Dmitri Young .304 1997
19 Ken Griffey Sr. .303 4206
20 Curt Walker .303 3395
21 Frank Robinson .303 5527
22 Ted Kluszewski .302 4961
23 Charley Jones .301 2003
24 Jake Daubert .301 3121
25 Chick Hafey .301 1672
26 Kal Daniels .301 1177
27 Frank McCormick .301 4787
28 Armando Marsans .300 1113
29 Chris Stynes .300 1038
30 Heine Groh .298 4439
31 Elmer Smith .297 1366
32 Vada Pinson .297 6335
33 Joe Stripp .296 1216
34 Algie McBride .296 1296
35 Ethan Allen .295 1441
36 Barry Larkin .295 7937
37 Eddie Burke .295 1177
38 John Reilly .294 4412
39 Kiki Cuyler .293 1196
40 Dummy Hoy .292 2143
41 Johnny Temple .291 3632
42 Smoky Burgess .290 1106
43 George Kelly .289 1389
44 Jerry Lynch .289 1583
45 Joe Morgan .288 4008
46 Gus Bell .288 4667
47 George Foster .286 4454
48 Eddie Taubensee .286 2097
49 Frankie Baumholtz .284 1139
50 Farmer Vaughn .284 2465
51 Dave Collins .284 1774
52 Babe Pinelli .284 2255
53 Mike Mitchell .283 3151
54 Doc Hoblitzell .283 3172
55 Tony Perez .283 6846
56 Brandon Phillips .282 1186
57 Johnny Bates .282 1319
58 Bobby Tolan .282 2287
59 Dave Parker .281 2468
60 Hughie Critz .280 3127
61 Heinie Peitz .279 2677
62 Ival Goodman .279 3562
63 Arlie Latham .279 2834
64 Mariano Duncan .279 1011
65 Jim Greengrass .279 1255
66 Wally Pipp .279 1289
67 Tommy Griffith .278 1968
68 Johnny Wyrostek .278 2138
69 Mike McCormick .278 1010
70 Joe Kelley .277 1774
71 Ollie Beard .277 1050
72 Ray Knight .277 1723
73 Eddie Kasko .277 2009
74 George Burns .275 1581
75 Lee May .274 2841
76 Edwin Encarnacion .273 1119
77 Chuck Dressen .273 2170
78 Estel Crabtree .273 1198
79 Eric Tipton .273 1510
80 Ken Griffey Jr. .273 2994
81 Bobby Adams .272 3602
82 Bill Werber .272 1601
83 Bid McPhee .271 8291
84 Billy Hatcher .271 1040
85 Aaron Boone .271 2383
86 Gordy Coleman .271 2369
87 Buck Herzog .271 1358
88 Eric Davis .271 3272
89 Joe Adcock .271 1145
90 Dan Driessen .271 4717
91 Reggie Sanders .271 2885
92 Ryan Freel .270 1742
93 Chris Sabo .270 3012
94 Hans Lobert .269 2114
95 Tommy Helms .269 3191
96 Hick Carpenter .268 3727
97 Johnny Bench .267 7658
98 Austin Kearns .267 1593
99 Pop Corkhill .267 2842
100 Harry Steinfeldt .267 3237
101 Dave Concepcion .267 8723
102 Wally Post .266 3021
103 Lenny Harris .266 1190
104 Larry McLean .266 2126
105 Buddy Bell .266 1391
106 Ray Mueller .266 1692
107 Morrie Rath .266 1043
108 Sammy Bohne .265 2152
109 Ron Oester .265 4214
110 Tommy Clarke .265 1708
111 Lonny Frey .265 3533
112 Felipe Lopez .265 1384
113 Charlie Irwin .265 2389
114 Cesar Cedeno .265 1424
115 Jim Bottomley .265 1504
116 Deron Johnson .264 1959
117 Dode Paskert .263 1365
118 Don Pavletich .263 1093
119 Bob Bescher .262 2807
120 Bert Haas .262 1934
121 Leo Cardenas .261 4047
122 Ed Bailey .261 2227
123 Cesar Geronimo .261 3329
124 Miller Huggins .260 2818
125 Ike Caveney .260 1577
126 Bret Boone .260 2440
127 Greasy Neale .260 2604
128 Paul O'Neill .259 2618
129 Fred Odwell .258 1412
130 Dain Clay .258 1540
131 Lew Riggs .258 2095
132 Billy Myers .258 2336
133 Ivy Wingo .257 3092
134 Steve Mesner .257 1458
135 Hod Ford .256 2240
136 White Wings Tebeau .256 1225
137 Tommy Harper .255 2312
138 Dick Egan .255 2282
139 Grady Hatton .254 3317
140 Bo Diaz .254 1578
141 Germany Smith .254 2959
142 Eddie Milner .254 2181
143 Frank Fennelly .254 2047
144 Harry Craft .253 2104
145 Tom Downey .253 1154
146 Gee Walker .252 1645
147 Ray Lamanno .252 1408
148 Pokey Reese .250 2061
149 Pop Snyder .250 1199
150 Larry Kopf .250 1941
151 Willie Greene .250 1337
152 Roy McMillan .249 4319
153 Tommy Corcoran .249 4849
154 Adam Dunn .248 3354
155 Jeff Branson .248 1345
156 Gary Redus .248 1176
157 Woody Williams .247 1204
158 Joe Oliver .246 2408
159 Lloyd Merriman .246 1056
160 Johnny Edwards .246 2377
161 Max Marshall .245 1267
162 Nick Esasky .245 2104
163 Alex Kampouris .244 1452
164 Virgil Stallcup .243 2027
165 Todd Benzinger .241 1127
166 Chico Ruiz .239 1024
167 Admiral Schlei .239 1539
168 Juan Castro .239 1351
169 Jason LaRue .239 2226
170 Jim Keenan .235 1521
171 Hugh Nicol .234 1683
172 Tony Mullane .233 1559
173 Charles Comiskey .233 1030
174 Eddie Joost .233 1558
175 Leo Durocher .227 1223
176 Eddie Miller .227 2447
177 Kid Baldwin .224 1395
178 Darrel Chaney .207 1046
179 Eppa Rixey .198 1002
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