Most extras in an innings
Team Score Overs Ext b lb w nb Opposition Ground Match Date Scorecard
Derbyshire 163/6 20.0 21 1 5 8 7 v Leics Leicester 22 May 2015 T20
Warwickshire 189/5 20.0 21 4 8 7 2 v Essex Birmingham 13 Aug 2015 T20
Leics 142/7 20.0 20 1 5 14 0 v Yorkshire Leicester 26 Jun 2015 T20
Surrey 142/9 20.0 20 0 5 7 8 v Middlesex Lord's 23 Jul 2015 T20
Warwickshire 145 18.4 18 4 5 9 0 v Yorkshire Leeds 24 Jul 2015 T20
Leics 164/3 19.0 18 0 8 10 0 v Derbyshire Leicester 22 May 2015 T20
Lancashire 201/3 20.0 18 0 3 7 8 v Derbyshire Manchester 12 Jun 2015 T20
Surrey 205/5 20.0 17 0 2 9 6 v Essex Chelmsford 16 May 2015 T20
Essex 161 20.0 17 5 1 11 0 v Surrey Chelmsford 16 May 2015 T20
Glamorgan 144/8 20.0 16 0 5 5 6 v Essex Cardiff 22 May 2015 T20
Glamorgan 169/5 20.0 16 6 4 2 4 v Middlesex Cardiff 5 Jun 2015 T20
Surrey 155/6 20.0 16 3 2 9 2 v Gloucs The Oval 1 Jul 2015 T20
Leics 152/4 20.0 16 4 2 10 0 v Warwickshire Leicester 4 Jul 2015 T20
Essex 165/6 20.0 16 0 7 9 0 v Warwickshire Birmingham 13 Aug 2015 T20
Gloucs 157/1 17.2 15 4 5 6 0 v Kent Beckenham 5 Jun 2015 T20
Yorkshire 146/4 18.5 15 5 7 3 0 v Notts Nottingham 22 May 2015 T20
Glamorgan 240/3 20.0 15 4 1 6 4 v Surrey The Oval 15 May 2015 T20
Glamorgan 191/3 20.0 15 0 7 3 0 v Gloucs Bristol 12 Jun 2015 T20
Middlesex 178/9 20.0 15 0 2 7 6 v Hampshire Lord's 18 Jun 2015 T20
Middlesex 133/8 20.0 15 0 4 9 2 v Sussex Lord's 2 Jul 2015 T20
Leics 152/4 18.5 14 0 0 6 2 v Notts Nottingham 5 Jun 2015 T20
Warwickshire 164/3 19.1 14 1 2 2 9 v Durham Chester-le-Street 6 Jun 2015 T20
Worcs 158 19.2 14 0 10 2 2 v Notts Worcester 7 Jun 2015 T20
Glamorgan 127 19.3 14 0 4 6 4 v Surrey Cardiff 26 Jun 2015 T20
Worcs 150/6 19.3 14 4 2 4 4 v Derbyshire Derby 17 Jul 2015 T20
Somerset 166/5 19.4 14 4 1 3 6 v Gloucs Bristol 19 Jun 2015 T20
Kent 227/7 20.0 14 0 5 3 6 v Somerset Taunton 31 May 2015 T20
Notts 175/7 20.0 14 2 8 4 0 v Durham Nottingham 31 May 2015 T20
Hampshire 167/3 20.0 14 1 9 4 0 v Somerset Taunton 5 Jun 2015 T20
Surrey 169/8 20.0 14 1 3 10 0 v Essex The Oval 5 Jun 2015 T20
Derbyshire 166/7 20.0 14 0 3 11 0 v Northants Northampton 11 Jun 2015 T20
Essex 181 20.0 14 1 2 11 0 v Gloucs Chelmsford 11 Jun 2015 T20
Hampshire 199/5 20.0 14 0 1 3 10 v Middlesex Lord's 18 Jun 2015 T20
Derbyshire 201/7 20.0 14 5 4 3 2 v Notts Derby 26 Jun 2015 T20
Lancashire 231/4 20.0 14 5 3 4 2 v Yorkshire Manchester 3 Jul 2015 T20
Somerset 151/9 20.0 14 0 6 2 6 v Kent Canterbury 10 Jul 2015 T20
Surrey 157/9 20.0 14 2 5 3 4 v Hampshire Southampton 10 Jul 2015 T20
Essex 144/3 16.4 13 3 3 7 0 v Sussex Hove 12 Jun 2015 T20
Hampshire 134 18.3 13 4 1 8 0 v Essex Chelmsford 26 Jun 2015 T20
Notts 167 19.1 13 0 7 4 2 v Derbyshire Derby 26 Jun 2015 T20
Durham 182/4 20.0 13 0 2 3 8 v Yorkshire Chester-le-Street 29 May 2015 T20
Lancashire 127/9 20.0 13 0 1 6 6 v Derbyshire Derby 29 May 2015 T20
Yorkshire 176/8 20.0 13 8 3 2 0 v Durham Chester-le-Street 29 May 2015 T20
Derbyshire 189/7 20.0 13 0 2 5 6 v Leics Derby 18 Jun 2015 T20
Yorkshire 132/7 20.0 13 0 7 2 4 v Warwickshire Birmingham 21 Jun 2015 T20
Surrey 146/8 20.0 13 9 4 0 0 v Glamorgan Cardiff 26 Jun 2015 T20

Team is the team credited with the extras, Opposition is the team that conceded them.

Records includes the following current or recent matches:
Northamptonshire v Lancashire at Birmingham, NatWest t20 Blast final, Aug 29, 2015 [Twenty20]
Hampshire v Lancashire at Birmingham, NatWest t20 Blast 2nd semi final, Aug 29, 2015 [Twenty20]
Northamptonshire v Warwickshire at Birmingham, NatWest t20 Blast 1st semi final, Aug 29, 2015 [Twenty20]