Highest frequency of hundreds and five-fors May 30, 2007

Bradman v Headley, and Tharanga's tons

The White Headley and the Black Bradman - Don Bradman and George Headley - have the best conversion rates in Test cricket



Upul Tharanga has the best conversion rate from 50 to 100 in one-day internationals © Getty Images

When Michael Vaughan was batting on 96 against West Indies at Headingley, he had 15 hundreds and 15 fifties to his name. A streaky four through the slips tilted the scales to 16 centuries and 14 half-centuries, putting him among the top ten batsmen with the best conversion rates. Although it had been two years since his last hundred - 166 against Australia at Old Trafford in 2005 - Vaughan played only nine innings during that period, a little higher than the average number of tries he needs to score a century.

The White Headley and the Black Bradman - Don Bradman and George Headley - have the best conversion rates in Test cricket. Bradman hit a century 29 out of the 42 times he went past fifty and Headley reached hundred ten out of the 15 times he scored a half-century. The two of them also have the highest frequency of centuries in Tests. Bradman hit his 29 centuries in 80 innings while Headley played 40 innings for his ten hundreds.

While Bradman stays on top of the table for the highest frequency of fifties, Headley drops to 20th in that table. Second spot is occupied by Michael Hussey who has scored eight fifties and five hundreds in 26 innings. And remember Asim Kamal? He began his Test career with 99 against South Africa and scored seven more fifties in 19 innings. However, he hasn't played a Test since England toured Pakistan in 2005.

Best ratio of hundreds to innings played - Tests (qualification: 20 innings)
Player Span Mat Inns Runs HS Ave 100 50 100/i
DG Bradman (Aus) 1928-1948 52 80 6996 334 99.94 29 13 0.362
GA Headley (WI) 1930-1954 22 40 2190 270* 60.83 10 5 0.250
CL Walcott (WI) 1948-1960 44 74 3798 220 56.68 15 14 0.202
JF Reid (NZ) 1979-1986 19 31 1296 180 46.28 6 2 0.193
MEK Hussey (Aus) 2005-2007 16 26 1597 182 79.85 5 8 0.192
VG Kambli (India) 1993-1995 17 21 1084 227 54.20 4 3 0.190
H Sutcliffe (Eng) 1924-1935 54 84 4555 194 60.73 16 23 0.190
ED Weekes (WI) 1948-1958 48 81 4455 207 58.61 15 19 0.185
Mohammad Yousuf (Pak) 1998-2007 75 126 6553 223 56.00 23 27 0.182
RT Ponting (Aus) 1995-2007 110 183 9368 257 59.29 33 36 0.180

Click here for the best ratios of fifties to innings played in Tests.

The batsman with the second best conversion rate in ODIs has played only 86 matches spanning ten years, hasn't played a World Cup and isn't close to being selected for his country at present. VVS Laxman has reached hundred six out of the 16 times he's passed fifty, putting him in second place behind Upul Tharanga.

Tharanga has six hundreds and eight fifties in 54 innings and not only has the best conversion rate at the moment but also the second highest frequency of scoring hundreds. In fact he scored his six centuries in his first 29 innings but hasn't crossed three figures since the Champions Trophy in October 2006.

Best ratio of hundreds to innings played - ODIs (qualification: 20 innings)
Player Span Mat Inns Runs HS Ave 100 50 100/i
Zaheer Abbas (Pak) 1974-1985 62 60 2572 123 47.62 7 13 0.116
KP Pietersen (Eng/ICC) 2004-2007 51 45 2026 116 56.27 5 14 0.111
WU Tharanga (SL) 2005-2007 57 54 1819 120 33.68 6 8 0.111
SR Tendulkar (India) 1989-2007 384 374 14847 186* 44.05 41 77 0.109
ME Trescothick (Eng) 2000-2006 123 122 4335 137 37.37 12 21 0.098
G Gambhir (India) 2003-2007 21 21 602 103 28.66 2 2 0.095
CH Gayle (ICC/WI) 1999-2007 168 165 5924 153* 37.97 15 30 0.090
RL Taylor (NZ) 2006-2007 24 22 706 128* 33.61 2 3 0.090
CG Greenidge (WI) 1975-1991 128 127 5134 133* 45.03 11 31 0.086
Saleem Elahi (Pak) 1995-2004 48 47 1579 135 36.72 4 9 0.085

Click here for the best ratios of fifties to innings played in ODIs.

Kevin Pietersen burst into the limelight with three hundreds and three half-centuries in his first ten innings after which he suffered a century drought which lasted 31 innings. He passed fifty 11 times during that period but his inability to reach hundred severely affected his conversion rate which is around 26%.

The list of players who've taken ten wickets in a match most often, is dominated by bowlers who thrived on uncovered pitches before World War II. But as you scroll down, in ninth place is Muttiah Muralitharan with a whopping 19 ten-wicket hauls in 110 Tests. Shane Warne is second with ten in 145 Tests and, among the current bowlers, Anil Kumble is closest to Murali with nine ten-wicket hauls. Murali also has 57 five-wicket hauls in an innings which means he takes a five-for in every other match.

Best ratio of 10-wicket-hauls to matches played - Tests (qualification: 10 matches)
Player Span Mat Balls Runs Wkts BBI Ave 5 10 10w/m
T Richardson (Eng) 1893-1898 14 4498 2220 88 8/94 25.22 11 4 0.285
GA Lohmann (Eng) 1886-1896 18 3830 1205 112 9/28 10.75 9 5 0.277
SF Barnes (Eng) 1901-1914 27 7873 3106 189 9/103 16.43 24 7 0.259
AP Freeman (Eng) 1924-1929 12 3732 1707 66 7/71 25.86 5 3 0.250
FR Spofforth (Aus) 1877-1887 18 4185 1731 94 7/44 18.41 7 4 0.222
C Blythe (Eng) 1901-1910 19 4546 1863 100 8/59 18.63 9 4 0.210
CV Grimmett (Aus) 1925-1936 37 14513 5231 216 7/40 24.21 21 7 0.189
RG Holland (Aus) 1984-1986 11 2889 1352 34 6/54 39.76 3 2 0.181
M Muralitharan (ICC/SL) 1992-2006 110 36705 14649 674 9/51 21.73 57 19 0.172
H Ironmonger (Aus) 1928-1933 14 4695 1330 74 7/23 17.97 4 2 0.142

Click here for the best ratios of five-fors to Tests played.

Shane Bond, when he isn't injured, has managed to take six four-wicket hauls and four five-fors in just 67 matches, putting him in second spot in both our tables. Waqar Younis is the only bowler with over 200 ODIs to appear in the list below, which is a testament to his striking-ability and to how difficult it is to sustain such performances over a long career.

Best ratio of 5-wickets-in-an-innings to matches played - ODIs (qualification: 20 matches)
Player Span Mat Balls Runs Wkts BBI Ave 4 5 5w/m
BA Williams (Aus) 2002-2004 25 1203 814 35 5/22 23.25 1 2 0.080
SE Bond (NZ) 2002-2007 67 3446 2416 125 6/19 19.32 6 4 0.059
VC Drakes (WI) 1995-2004 34 1640 1293 51 5/33 25.35 3 2 0.058
VJ Marks (Eng) 1980-1988 34 1838 1135 44 5/20 25.79 0 2 0.058
SB O'Connor (NZ) 1997-2000 38 1487 1396 46 5/39 30.34 1 2 0.052
RDM Leverock (Ber) 2006-2007 20 1027 727 21 5/53 34.61 0 1 0.050
Waqar Younis (Pak) 1989-2003 262 12698 9919 416 7/36 23.84 14 13 0.049
MS Kasprowicz (Aus) 1995-2005 43 2225 1674 67 5/45 24.98 1 2 0.046
M Hendrick (Eng) 1973-1981 22 1248 681 35 5/31 19.45 2 1 0.045
FH Edwards (WI) 2003-2006 23 1077 839 26 6/22 32.26 0 1 0.043

Click here for the best ratios of four-fors to ODIs played.

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Travis Basevi is the man who built Statsguru. George Binoy is an editorial assistant on Cricinfo

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