The UK Anti-Doping Agency face questions as to why they apparently failed to properly investigate a doctor reported to them as prescribing banned drugs to professional sportsmen

Arsenal and Chelsea both rubbished unsubstantiated claims by a doctor that he had provided doping services to 150 unnamed British sportsmen, included unnamed players from those clubs.

MATT MALTBY: Rio Ferdinand has urged under-pressure Everton centre back John Stones to continue experimenting in defence as long as he learns from his mistakes.

Manchester United have given under-fire manager Louis van Gaal a major say in organising their summer tour to China - thereby offering him hope of remaining at the club next season.

LAWRENCE BOOTH IN KOLKATA: Set 149 for victory at Eden Gardens - nine more than they had ever chased - West Indies rode on the back of an outstanding opening partnership of 120.

Prior to El Clasico, Barcelona's fans held up a mosaic of 90,000 cards to spell out, 'Thank you Johan,' as they commemorated Johan Cruyff who died of cancer aged 68, on March 24.

PETE JENSON AT THE NOU CAMP: Gareth Bale helped Real Madrid end Barcelona's 39-game unbeaten run and then declared that he was still hoping for the perfect end to the season.

Javier Mascherano admitted Barcelona were not smart enough in their Clasico defeat to Real Madrid on Saturday night. The La Liga leaders were beaten for the first time in 40 matches

RIK SHARMA AT THE NOU CAMP: Real Madrid recovered from going a goal down to beat Barcelona on Saturday. Here, Sportsmail runs through the main talking points from El Clasico.

Their season has been incredible and I think most people, myself included, expected them to struggle at some point. But they have simply kept going, doing all the things that got them into this position.

OLIVER HOLT: Whatever else comes along in 2016, nothing is going to beat Steve Cram's doe-eyed, anodyne, unoriginal, buddy-buddy apology for journalism that was his interview with the new IAAF president.

JOE BERNSTEIN AT ANFIELD: Spurs were held 1-1 by Liverpool and need Southampton to get a result at the King Power Stadium to stop Leicester going seven points clear with just six games left.

JOE BERNSTEIN: Not far from where Liverpool's original Fab Four grew up, Tottenham's quartet of Danny Rose, Eric Dier, Dele Alli and Harry Kane were at Anfield seeking to prove Berlin was no one-hit wonder.

MARTHA KELNER: West Ham are three points adrift of the Champion's League places but they have not given up on the dream of mixing with Europe's elite next season just yet, with Payet leading the charge.

SUNDERLAND 0-0 WEST BROM - CRAIG HOPE AT THE STADIUM OF LIGHT: Relegation-threatened Sunderland were denied three precious by the hands, leg and face of goalkeeper Ben Foster.

ASTON VILLA 0-4 CHELSEA - LAURIE WHITWELL AT VILLA PARK: 'Proud History, What Future?' read paper airplanes fired down from the stands onto the pitch.

Alexandre Pato marked his Chelsea debut 64 days after signing with a goal and man-of-the-match performance, prompting Guus Hiddink to declare his delight at the Brazilian making his 'first step'.

STOKE CITY 2-2 SWANSEA - JACK GAUGHAN AT THE BRITANNIA STADIUM: Francesco Guidolin should now be remembered as the man who dragged Swansea over the line.

The most feared grappler in MMA history has come to Britain and spoken out for the first time about his bad boy image and how he would like to 'kill' UFC superstar Conor McGregor in the octagon.

A commanding yet graceful defender, Maldini played in excess of 400 matches for Milan between 1954 and 1966. He later managed them and the Italy team

DOMINIC KING: Pierre-Emerick Aubameyang is ready to show Jurgen Klopp he has moved up another level as he prepared for a reunion with the manager he says "made" him.

Just three days after sacking Gary Neville, Valencia have demoted brother Phil but the younger Neville has no intention of walking away from the club he helped reach Champion League.

DEREK LAWRENSON: Ian Woosnam was the last Brit to win the Masters after his victory in 1991, but the Welshman believes Rory McIlroy has what it takes to spark a new era at Augusta.

The French striker believes the Premier League's elite should be willing to sign Ibrahimovic, despite top clubs having been quoted an eye-watering £600,000 per week to land their man.

JOE BERNSTEIN: Everton goalkeeper Joel Robles classes David de Gea as a 'mate'. They grew up together at Atletico Madrid and have grown closer since their careers took them to the North West.

SAMI MOKBEL: Leicester City will reward talented duo Riyad Mahrez and N'Golo Kante with lucrative new contracts to stay with the title-chasing club.

LAWRENCE BOOTH IN KOLKATA: England's journey from white-ball ridicule to the final of the World Twenty20 has been so dizzying that Eoin Morgan allowed himself a pre-final pat on the back.

I can't remember being more emotional on a cricket field than standing singing the national anthem before we played Australia in Barbados before the 2010 World T20 final.

England had success with an early bouncer against Chris Gayle in the past so don't be surprised to see the bowlers go short early, with fine leg back, and bowl short at his right ear.

JOE BERNSTEIN: England Women's captain Steph Houghton would love to lead out her country on the same double bill as Wayne Rooney.