Five sporting feuds of the moment

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Everyone loves a sporting feud.

Some of the most enduring rivalries in sport have been born through individuals, or entire teams, that weren’t particularly fond of the other.

Who doesn’t enjoy the sight of two men who should know better – Chelsea manager Jose Mourinho and Arsenal counterpart Arsene Wenger – shoving each other on the sidelines during an English Premier League match?

Just look at the ill-tempered clash between Italian champions Juventus and rivals Roma on Sunday night that spawned three controversial penalties and two red cards after a late melee.

Even cricket – that most genteel of sports – is at it, ex-England cricketer Kevin Pietersen releasing an autobiography in which he takes a swipe at former teammates and coaches.

Here, CNN takes a look at five sporting feuds that are en vogue at present.

Jose Mourinho vs. Arsene Wenger

These two great rivals haven’t seen eye to eye almost from the day Mourinho pitched up at Chelsea from Portuguese football in 2004.

Their first spat centered on Wenger’s criticism of Chelsea’s lavish spending under billionaire Russian owner Roman Abramovich, Mourinho hitting back by calling his opposite number a “voyeur.”

Read: Wenger, Mourinho square up

Chelsea’s boss later claimed he had a dossier on things Wenger had said about his club, hinting at legal action.

It didn’t take long for Mourinho to revive the rivalry upon his return to Chelsea in 2013, calling Wenger a “specialist in failure.”

On Sunday, Wenger shoved Mourinho on the touchline after reacting angrily to a strong tackle on his player Alexis Sanchez.

The fourth official intervened, separating the two, as Chelsea went on to win 2-0 and make it 12 matches without defeat for Mourinho against Wenger.

Afterwards Chelsea’s coach said there was “no problem” between the two, while Wenger said “What is there to regret?”

Kevin Pietersen vs Matt Prior

The man referred to by fans as “KP” has waited a long time to have his say on his sacking from the England cricket team after a disastrous tour to Australia.

England were thumped 5-0 in the Ashes by its most fierce rival at the turn of the year and when Pietersen had his contract canceled in February, he had to wait until October until a confidentiality clause expired to have his say.

He was accused of being “disengaged” by the England and Wales Cricket Board but has hit back, claiming they told him he was being dismissed for “cricketing reasons” and wouldn’t elaborate.

Pietersen reserves particular ire for Prior, England’s former vice captain, who he accuses of fostering a bullying culture within the dressing room.

The wicketkeeper is also labeled as a “back-stabber” by Pietersen, for revealing details of a supposedly confidential team meeting during the Australia tour.

Prior took to Twitter to say that he would respond, but at a later date and not on the social media site. He said he was looking forward to reading the book and joked: “Might bully my kids into getting it for me for Xmas!!”

Tom Watson vs. Phil Mickelson

Eight-time major winner Tom Watson was supposed to be the man to finally secure a United States victory in golf’s premier team competition, the Ryder Cup, at the 2014 tournament in Scotland last month

But just like seven of the last eight captains, he tasted defeat, as Europe made it three on the bounce courtesy of a 16?-11? victory at Gleneagles.

The inquest began within hours of the final shot, and it emerged from a surprising source within the team – Phil Mickelson, a man with five majors of his own.

His eulogy about 2008 skipper Paul Azinger – the only man to the lead the U.S. to victory this century – was seen as thinly veiled criticism of Watson, and turned the team’s press conference into a tension-filled affair.

Mickelson said Azinger had involved the players in his decision making process and formulated a “real game plan,” the implication being that Watson had done neither during his tenure.

The captain, sitting a few seats down from his player, replied: “(Phil) has a difference of opinion. That’s OK. My management philosophy is different than his. I had a different philosophy than Paul. I decided not to go that way.”

As details began to leak out about Watson’s reign, he released an open letter saying he understood Mickelson’s reaction and that the pair had spoken since to try and clear the air.

Watson added: “The bottom line is this. I was their captain. In hindsight whatever mistakes that were made were mine. And I take complete and full responsibility for them.”

Juventus vs. AS Roma

It was the most eagerly anticipated clash of the season so far in Italy, as first took on second.

Both Serie A champions Juventus and Roma, who finished as runners up in 2013/14 came into their clash on Saturday with 100% records, winning five games out of five.

It was a match that most certainly lived up to the hype and included five goals, three controversial penalty decisions and two red cards as Juve came out on top.

An ill-tempered clash saw referee Gianluca Rocchi under almost constant fire from the players, each of his penalty decisions provoking controversy.

Juve profited from two of those, Roma captain Francesco Totti lamenting his performance after the match, saying the official favored Juventus.

The winning goal was scored by Juve defender Leonardo Bonucci, moments before a melee involving players from both sides saw álvaro Morata and Kostas Manolas sent off.

Richard Sherman vs. Patrick Peterson

Seahawks cornerman Sherman relishes his role as one of the most outspoken players in the NFL, but he does have a Superbowl ring to back it up.

Recently, it’s a rival from Arizona Cardinals that has been taking up a large chunk of his time – Patrick Peterson, who recently signed a new contract with the Cardinals that made him the highest paid cornerback ever to have played in the NFL.

This not long after Sherman had signed his own extension, but for a lesser sum.

News of Peterson’s deal prompted Sherman to reassert his authority by retweeting a stat that said his rival had given up seven touchdowns in 2013 compared to his one.

After a series of replies, Sherman tweeted a picture of his Superbowl ring.

We await the next round with interest.