No cricket fans?
Don Bradman, batting average 99.94.
Next closest in history is 60.97 (Michael Hussey excluded). That's a hell of a gap.
1 D.G. Bradman 52 80 10 6996 334 99.94 1928 1948
2 R.G. Pollock 23 41 4 2256 274 60.97 1963 1970
3 G.A. Headley 22 40 4 2190 270* 60.83 1930 1954
4 H. Sutcliffe 54 84 9 4555 194 60.73 1924 1935
5 E. Paynter 20 31 5 1540 243 59.23 1931 1939
6 K.F. Barrington 82 131 15 6806 256 58.67 1955 1968
7 E.D. Weekes 48 81 5 4455 207 58.61 1948 1958
8 W.R. Hammond 85 140 16 7249 336* 58.45 1927 1947
9 G.S. Sobers 93 160 21 8032 365* 57.78 1954 1974
10 J.B. Hobbs 61 102 7 5410 211 56.94 1908 1930
11 C.L. Walcott 44 74 7 3798 220 56.68 1948 1960
12 L. Hutton 79 138 15 6971 364 56.67 1937 1955
13 G.E. Tyldesley 14 20 2 990 122 55.00 1921 1929
14 C.A. Davis 15 29 5 1301 183 54.20 1968 1973
15 V.G. Kambli 17 21 1 1084 227 54.20 1993 1995
16 G.S. Chappell 87 151 19 7110 247* 53.86 1970 1984
17 A.D. Nourse 34 62 7 2960 231 53.81 1935 1951
18 B.C. Lara 131 232 6 11953 400* 52.88 1990 2006
19 Javed Miandad 124 189 21 8832 280* 52.57 1976 1993
20 J. Ryder 20 32 5 1394 201* 51.62 1920 1929