Only by amassing at least 350 will they secure four batting bonus points .
Only by amassing at least 350 will they stay in an enthralling title chase also involving Middlesex and Somerset , who are in full control against Nottinghamshire .
Only by amassing at least 350 will they secure four batting bonus points and stay in an enthralling title chase also involving Middlesex and Somerset , who are in full control against Nottinghamshire .