Colin Graves takes over as ECB chairman from Giles Clarke on day five of last season 's . Graves believes Test cricket is 'shrinking ' in the number of viewers . Reductions would trim a total of only 30 overs off a Test .
Colin Graves takes over as ECB chairman from Giles Clarke on May 15 . Graves believes Test cricket is 'shrinking ' in the number of viewers . Reductions would trim a total of only 30 overs off a Test .