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Ten races exclusively live on Sky Sports F1 in 2014
Your essential rundown of all that's different in 2014 - the drivers, venues, cars, rules and points scoring.
Listen to the latest from the NFL as our Neil Reynolds and Jeff Reinebold preview free agency.
Video interviews with all the leading trainers ahead of this week's Cheltenham Festival.
Pictures from Dublin as Brian O'Driscoll bade an emotional farewell to the Ireland supporters.
Netball London Live served up a thriller as Storm beat Mavericks at the Copper Box.
Leo Cullen leads a team which shows a blend of youth and experience for Leinster's trip to Cardiff Blues.
Ian Madigan partners Ireland international Isaac Boss at half-back with Andrew Goodman lining up at centre alongside Brendan Macken.
Out wide Andrew Conway is joined by Darren Hudson and, while Dave Kearney starts at full-back.
Dominic Ryan makes just his third appearance after an injury interrupted season thus far and he completes an exciting back-row alongside Shane Jennings and Jordi Murphy.
Leinster 'A' team skipper Jack McGrath is rewarded with a start in the front row after putting in strong performances in the British and Irish Cup
Meanwhile, Cardiff are also missing internationals and are being led by centre Gavin Evans.
The Blues face a Leinster side that has won four straight games in all competitions since losing 19-27 to table topping Ulster at Ravenhill in December.
Cardiff Blues: 15 Jason Tovey, 14 Owen Williams, 13 Gavin Evans (capt), 12 Dafydd Hewitt, 11 Harry Robinson, 10 Rhys Patchell, 9 Lewis Jones, 8 Robin Copeland, 7 Rory Watts-Jones, 6 Michael Paterson, 5 James Down, 4 Macauley Cook, 3 Taufa'ao Filise, 2 Rhys Williams, 1 Sam Hobbs.
Replacements: 16 Marc Breeze, 17 Nathan Trevett, 18 Scott Andrews, 19 Luke Hamilton, 20 Josh Navidi, 21 Alex Walker, 22 Ceri Sweeney, 23 Richard Smith.
Leinster: 15 Dave Kearney, 14 Andrew Conway, 13 Brendan Macken, 12 Andrew Goodman, 11 Darren Hudson, 10 Ian Madigan, 9 Isaac Boss, 8 Jordi Murphy, 7 Shane Jennings, 6 Dominic Ryan, 5 Tom Denton, 4 Leo Cullen, 3 Michael Bent, 2 Aaron Dundon, 1 Jack McGrath.
Replacements: 16 Thomas Sexton, 17 Heinke Van Der Merwe, 18 Jamie Hagan, 19 Ben Marshall, 20 Rhys Ruddock, 21 John Cooney, 22 Noel Reid, 23 Fionn Carr.
"I have no doubt that we will be stronger going into the end of this season than we were last year. Next season we will be stronger again. Leinster are ahead of us in this process but we are heading in the right direction.
"For me, tomorrow's game has a bit of pride attached to what we have to deliver. Over in Dublin it was not a good performance.
"The second half was creditable but the first half we got hammered. I didn't enjoy that. I didn't enjoy the game or what happened afterwards. We have to lay a strong marker down on Friday. We have to put in a massive performance against one of the top squads in Europe.
"It is a great challenge for the team. We want to try and win the game and the next few games so we can keep pushing towards the top four."
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|Friday 21st March|
|19:15||Leinster vs Zebre|
|Saturday 29th March|
|19:00||Leinster vs Munster|
|Sunday 6th April|
|16:30||Toulon vs Leinster|
|Friday 11th April|
|19:05||Ospreys vs Leinster|
|Saturday 19th April|
|15:00||Leinster vs Benetton Treviso|
|Saturday 3rd May|
|15:00||Ulster vs Leinster|
|Saturday 10th May|
|18:30||Leinster vs Edinburgh|
Read the thoughts and opinions of Stuart Barnes with skysports.com