 A bowler's strike rate is the total number of balls they have bowled divided by the number of wickets they have taken.As with the career average above, the top two bowlers with the best Test career strike rate are George Lohmann and J. J. Ferris, with Lohmann on 34.1 and Ferris with an overall career strike rate of 37.7 balls per wicket.A bowler's economy rate is the total number of runs they have conceded divided by the number of overs they have bowled.