2013 Twenty20 Cup
The 2013 FriendsLife T20 was the eleventh edition of what would later become the T20 Blast, a domestic Twenty20 English cricket competition. The competition ran from 26 June to 17 August 2013. The teams and format of the tournament remained the same as the previous season. Northamptonshire Steelbacks were champions, defeating Surrey in the final to win their first limited overs trophy since 1992.
Format
The 18 teams were divided into three groups of six and each group played a double round-robin tournament. The top two teams from each group and the top two third-placed teams qualified for the knockout stage: a three-round single-elimination tournament. The top team from each group and the best second-placed team then played in a different quarter-final at their home ground. A free draw determined the placement of the remaining four teams and the semi-final and final match-ups.Midlands/Wales/West Division
Table
North Division
Table
†Durham were deducted 0.25 points for a breach of team salary payments in 2012.
South Division
Table
Knockout stage
Quarter-finals
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Semi-finals
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Highest team totals
The following table lists the five highest team scores in the season.| Team | Total | Opponent | Ground |
| Durham | 215/6 | Yorkshire | Riverside Ground, Chester-le-Street |
| Northamptonshire | 206/3 | Gloucestershire | College Ground, Cheltenham |
| Sussex | 202/3 | Middlesex | Lord's Cricket Ground, London |
| Hampshire | 202/3 | Lancashire | Rose Bowl, Southampton |
| Lancashire | 201/4 | Hampshire | Rose Bowl, Southampton |
Most runs
The top five highest run scorers in the season are included in this table.| Player | Team | Runs | Inns | Avg | S/R | HS | 100s | 50s | 4s | 6s |
| Craig Kieswetter | Somerset | 517 | 11 | 64.62 | 137.13 | 89* | 0 | 5 | 46 | 19 |
| Michael Carberry | Hampshire | 502 | 11 | 55.77 | 142.61 | 100* | 1 | 4 | 59 | 16 |
| Cameron White | Northamptonshire | 417 | 13 | 46.33 | 125.60 | 71* | 0 | 4 | 29 | 18 |
| Phil Mustard | Durham | 379 | 11 | 34.35 | 123.45 | 91 | 0 | 3 | 41 | 11 |
| Michael Klinger | Gloucestershire | 366 | 10 | 52.28 | 129.32 | 108* | 1 | 2 | 33 | 11 |
Highest scores
This table contains the top five highest scores of the season made by a batsman in a single innings.| Player | Team | Score | Balls | 4s | 6s | Opponent | Ground |
| Richard Levi | Northamptonshire | 110* | 62 | 15 | 4 | Gloucestershire | College Ground, Cheltenham |
| Michael Klinger | Gloucestershire | 108* | 64 | 9 | 5 | Worcestershire | County Ground, Bristol |
| Michael Carberry | Hampshire | 100* | 66 | 11 | 3 | Lancashire | Rose Bowl, Southampton |
| Michael Lumb | Nottinghamshire | 96 | 52 | 14 | 3 | Durham | Riverside Ground, Chester-le-Street |
| Steven Davies | Surrey | 95* | 70 | 12 | 1 | Kent | St Lawrence Ground, Canterbury |
Most wickets
The following table contains the five leading wicket-takers of the season.| Player | Team | Wkts | Inns | Ave | S/R | Econ | BBI |
| Azharullah | Northamptonshire | 27 | 12 | 12.62 | 10.1 | 7.44 | 4/14 |
| Reece Topley | Essex | 21 | 11 | 13.23 | 10.5 | 7.51 | 4/26 |
| David Willey | Northamptonshire | 21 | 12 | 13.33 | 12.1 | 6.58 | 4/9 |
| Yasir Arafat | Somerset | 20 | 11 | 14.60 | 12.3 | 7.90 | 4/5 |
| Jade Dernbach | Surrey | 18 | 12 | 16.44 | 14.7 | 6.70 | 3/15 |
Best bowling figures
This table lists the top five players with the best bowling figures in the season.| Player | Team | Overs | Figures | Opponent | Ground |
| Graham Wagg | Glamorgan | 3.0 | 5/14 | Worcestershire | New Road, Worcester |
| Jack Brooks | Yorkshire | 4.0 | 5/21 | Leicestershire | Headingley, Leeds |
| Graeme White | Nottinghamshire | 4.0 | 5/22 | Lancashire | Trent Bridge, Nottingham |
| Mitchell McClenaghan | Lancashire | 4.0 | 5/29 | Nottinghamshire | Old Trafford, Manchester |
| Moeen Ali | Worcestershire | 4.0 | 5/34 | Northamptonshire | County Ground, Northampton |
Media coverage
Sky Sports showed many games during 2013, after showing them throughout the 2010, 2011 and 2012 seasons. S4C also offers some coverage with a few Glamorgan matches available with Welsh commentary.| Country | TV Broadcaster | Notes |
 United Kingdom |