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Ewan: As a 17-year-old referee, I wouldn't always put all the blame on the players... at adult level, if you make a decision, generally it is accepted. At youth football, you can't make a decision without angering parents on the sidelines, who are trying to live through their kids. 

I've been to observe new referees in their first game, and I've seen parents threaten to break his wrist for showing a card! Youth football, and particularly parent supporters, are becoming the issue, and something definitely needs to change!

We want to hear your stories of grassroots refereeing...

Let us know using this Contact Us form, using #bbcsportsday or on our Facebook page., external

Rio Paralympic gold medallists Sarah Storey and Jody Cundy have been named in the Great Britain Para-cycling squad for 2017.

The team will compete in both track and road World Championships this year. 

The 23-strong squad does not include dual-sport star Kadeena Cox, who has had her UK Sport funding suspended while she takes part in the Channel 4 winter sports show The Jump.

See the full squad here.

Image source, Getty Images

Image source, Getty Images

Watford have signed Argentine forward Mauro Zarate on a two-and-a-half-year contract, external from Italian club Fiorentina.

The 29-year-old returns to the Premier League after previous spells with West Ham United, Queens Park Rangers and Birmingham City.

Zarate's former clubs also include Inter Milan and Lazio.

Watford, who signed Everton midfielder Tom Cleverley on loan earlier this month, are 14th in the table, eight points above the relegation zone.

Mike Coen: The VAST majority of players are perfectly fine... I don't see how calling a strike can help. The main pain will be felt by those 99% of recreational footballers who never cause us problems!

Justin Furlough: There is a lack of officials for all sports in the US. It's hard to hire officials if they think it's more trouble than worth.

James Murgatroyd: Most important of all is reffing with a smile on your face and talking to the players on the same level. If you make yourself a human being in the eyes of the players and one of them decides to be an idiot, his/her own teammates will normally side with you.

Keep your stories coming in of grassroots refereeing, good and bad...

Use this Contact Us form, #bbcsportsday or our Facebook page., external

Image source, SNS Group Bill Murray

Ayr United's Scottish Cup win over Queen's Park featured the tournament's first use of a fourth substitute in extra-time.

Read more here.

Roger Black
Former British Olympic athlete on BBC Radio 5 live

Image source, Getty Images

Usain Bolt losing one of his gold medals takes the shine off the achievement. We have been celebrating the 'triple triple' since the last Olympics. 

From winning nine gold medals and now it is eight, it doesn't have the same ring - double treble plus two? It will be really frustrating for him to have a medal taken away because of a team-mate.

You can only account for yourself, you can not account for your team-mates.

We know it has nothing to do with Usain Bolt but it will not damage his reputation but it will affect it, take shine off it and he won’t be a happy man.

But when I heard stories like this, a part of me does celebrate. With retrospective testing, athletes who dope can never sleep peacefully. It has to be the strongest deterrent the sport now has. Even when athletes retire they can still have their medals taken away - that is a really good deterrent.

When your team has had seven of its last nine spot-kicks saved or missed, there's only one thing a manager can do really. Cop for it.

Fair play to Fulham manager Slavisa Jokanovic for doing just that after Chris Martin's failure from 12 yards in Tuesday's 1-0 defeat at Reading.

"I changed the taker five times and the only one who scored a goal is Chris," Jokanovic told BBC Radio London.

"It is not a lottery. We will think what is best for us and try and find a better solution."

Image source, Getty Images

More to follow...

Dylan Hartley, fresh from being confirmed as England's captain for the Six Nations and beyond, has said he feared his recent ban would cost him his international career.

The Northampton hooker was banned for six weeks for striking during an incident involving Leinster flanker Sean O'Brien in December.

Asked about the impact on his England role, he told BBC Sport: "I did think that maybe that was it, but again, a conversation with Eddie [Jones], a very clear and direct conversation, and I know where I stand."

He added: "That walk off the field is never a quick moment. It seems to drag on for quite a while... I understand I could have jeopardised a lot."

Image source, Getty Images

Image source, Getty Images

Usain Bolt will have to hand back one of his nine Olympic gold medals after Jamaican team-mate Nesta Carter tested positive for a banned substance.

Carter was part of the Jamaican quartet that won the 4x100m in Beijing in 2008.

His was one of 454 selected doping samples retested by the International Olympic Committee (IOC) last year, and has been found to contain the banned stimulant methylhexaneamine.

Bolt, 30, completed an unprecedented 'triple triple' in Rio last summer.

He won gold in the 100m, 200m and 4x100m relay to add to his successes in the same events in 2008 and 2012.

Carter, 31, was also part of the squad that won the relay in London five years ago.

Leicester have agreed to sign France centre Maxime Mermoz from Toulon until the end of the season, subject to French Rugby Federation approval.

Mermoz, who had previously been linked with a move to Bath, has made 11 appearances in the Top 14 this season.

Image source, Getty Images

Worcester have signed Scotland prop Ryan Grant from Glasgow Warriors.  

Brive claimed they had signed the 31-year-old, who was part of the 2013 Lions squad, on loan earlier this month but a move never happened.

Image source, Getty Images

We mentioned it earlier (11:51), now it's official. 

Aston Villa have signed Iceland midfielder Birkir Bjarnason from FC Basel on a three-and-a-half-year deal.

The 28-year-old, who scored Iceland's first goal of their Euro 2016 campaign, joins for an undisclosed fee.

It follows the signing of full-back James Bree from Barnsley on a four-and-a-half year deal for what the Tykes called a "substantial fee".

More about those signings here.

Image source, Getty Images

David Saunders: The quickest way to stop this kind of abuse is to clamp down on it from the top. Every time a player shouts at a ref it’s a yellow card, red if he’s using abusive language. Then managers and players from professional to amateur will see that you can’t get away with it.

Aaron Softley: I refereed semi-professionally in Australia before switching to amateur football in England. The level of abuse and disrespect referees recieve in England compared to Australia is disgraceful!

Harrison Thompson: I started reffing this season at 19 years old and decided to make the jump straight into the adult leagues. Have had no major abuse so far, all of the minor comments seem to be down to frustration at decisions not going their way!

Keep your stories coming in of grassroots refereeing, good and bad...

Use this Contact Us form, #bbcsportsday or our Facebook page., external

*sips tea*

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So at 11:52, we posted this:

Former Nottingham Forest striker Stan Collymore says he would like to take a role as sporting director at the troubled club. 

And now, at 14:00: 

Former Nottingham Forest striker Stan Collymore says he is no longer interested in a role as sporting director at the Championship club.

Collymore, 46, expressed an interest in the role at a meeting with Forest owner Fawaz Al Hasawi on Tuesday.

But after "time to reflect" on the meeting and feedback from fans, he has now "withdrawn from any involvement".

He had said:, external "I'm not convinced change will happen quickly or thoroughly enough under Fawaz's ownership."

In 1995, Manchester United striker Eric Cantona kung-fu kicked a fan after being sent off in a match at Selhurst Park against Crystal Palace. The Frenchman was suspended for nine months, fined £20,000 and ordered to carry out 120 hours of community service.

Image source, Getty Images