Should Lee Cattermole and Gary Cahill have seen red? Was Jamie Vardy rightly awarded a penalty? Should Arsenal have had a penalty against Manchester City? Former Premier League referee Dermot Gallagher joined host Rob Wotton in the Sky Sports News HQ studio to analyse a number of contentious calls from the weekend. Kolten Wong Jersey .Was your team affected by a controversial decision? Read on to find out... MATCH: Sunderland v Chelsea, Premier League, SaturdayINCIDENT: Gary Cahill is shown a yellow card, rather than a red, for bringing down Jermain Defoe in the first minute of the match as he looked to go through on goal.GALLAGHERS VIEW: It shows how alert the referee and his assistant were, for two reasons. Defoe is yards offside when he gets the ball but its a back-pass from a Chelsea player, so the assistant is alert and hasnt flagged for offside. The referee then sees Cahill has fouled him but John Terry is close enough to make it a possible goalscoring opportunity rather than an obvious one.GALLAGHERS VERDICT: Correct decision Gary Cahill was booked inside the first minute against Sunderland MATCH: Sunderland v ChelseaINCIDENT: Lee Cattermole is booked for a lunging tackle on Eden Hazard.GALLAGHERS VIEW: I think its a worse challenge than the referee realises. He sees it and thinks its a yellow. It looks a yellow but close up it is a nasty tackle and he is very fortunate to only get a yellow. If he had got a red he could not have complained. Its late and he has hit him with the studs. In real time the referee has not seen it as clearly as we have on the replays.GALLAGHERS VERDICT: Wrong decision Lee Cattermole only saw yellow for this tackle on Eden Hazard MATCH: Sunderland v ChelseaINCIDENT: John Terry is sent off for two yellow cards. The first is for a foul on Jermain Defoe and the second for a challenge on Wahbi Khazri. John Terry was booked for this tackle on Jermain Defoe GALLAGHERS VIEW: The first one is a yellow. Terry realises as well, he puts his hand up straight away. Its late and reckless and he has no chance of playing the ball, which has gone. Its a yellow card.I dont know why he then made the second tackle, he had no reason to. The fact he has followed through has convinced the referee to send him off.GALLAGHERS VERDICT: Correct decision Terry was shown a second yellow card for bringing down Wahbi Khazri MATCH: Leicester v Everton, Premier League, SaturdayINCIDENT: Jamie Vardy wins a penalty after being fouled by Matthew Pennington. It was a similar incident to the one against West Ham a few weeks ago, when Vardy was adjudged to have dived and was shown a second yellow card.GALLAGHERS VIEW: I think it is the right decision, he bundles him over and its a penalty. People says its not the most clear cut but the defender comes across him. Against West Ham, Vardy went across the defender and was looking to make the contact. He initiated it. With Pennington they are side by side and he hasnt taken his ground. He did against West Ham. Side by side they are similar challenges with different outcomes, so you can see how different it is. But the referee got both right.GALLAGHERS VERDICT: Correct decision Jamie Vardy won a penalty for the foul by Matthew Pennington (left), a few weeks after being booked for diving (right) MATCH: Manchester City v Arsenal, Premier League, SundayINCIDENT: From an Arsenal free-kick into the box, both Alexis Sanchez and Olivier Giroud appear to have their shirts pulled. No penalty is given.GALLAGHERS VIEW: If its seen then something should have been done, but its week-in, week-out. We have one more week to go and then in the summer we should sit down and think how can we do this better and identify this. Fernandinho pulled Alexis Sanchezs arm at a free-kick MATCH: Man City v ArsenalINCIDENT: The referee is hit by the ball, breaking up an Arsenal attack, but then later in the game plays an advantage after a foul on Jack Wilshere from which the Gunners score.GALLAGHERS VIEW: You have almost gone from a referees nightmare to a dream because they have scored after the advantage and you can turn around say, I have played a major part in this game flowing properly and the right decision being made. Thats what you want every game. The ball hit the referee in Man Citys draw with Arsenal, but he later played an advantage that allowed Arsenal to score MATCH: Middlesbrough v Brighton, Championship, SaturdayINCIDENT: Brightons Dale Stephens is sent off for a foul on Gaston Ramirez. The referee initially pulls the yellow card out of his pocket but appears to change his mind after seeing a gash on Ramirezs leg.GALLAGHERS VIEW: This is such a debatable incident. He sees the outcome of the tackle and when you see an injury like that, I dont see how you can keep the player on the park. You see his leg and if he hadnt been sent off how would you control the rest of the game?He was stretchered off and needed serious medical attention. Its such a nasty injury. Maybe the referee didnt realise at first how serious it was but having realised I think he has taken the right action.GALLAGHERS VERDICT: Correct decision Dale Stephens was sent off for this tackle Also See: City-Arsenal talking points Ranieri urges stars to stay Poch: Forget about Arsenal Live on Sky Ozzie Smith Jersey . The former central defender calmly nodded it down and quietly went about celebrating a win with his staff. For a man who has had a lot on his shoulders this season, it was an appropriate moment. Vince Coleman Jersey . After a 99-97 loss to the Toronto Raptors on Wednesday night, his Celtics coaches and teammates have only positive things to say about the Toronto-born rookie. http://www.baseballcardinalsauthority.com/Trevor-Rosenthal-Jersey/ . The weekend at Oriole Park has been less kind, with three players suffering varying degrees of injury. The worst ailment of the three, at least optically, is the deep bone bruise suffered by Adam Lind when he fouled a pitch off the top of his right foot in the sixth inning of Saturdays game.DENVER -- Broncos offensive lineman Chris Kuper is retiring after struggling with an ankle injury the last two seasons. Kuper, a fifth-round pick in Denvers 2006 draft, started 79 games at guard over eight seasons. He dislocated his left ankle in the last game of the 2011 regular season, and though he started another seven games after that, he never returned to his previous level. Randal Grichuk Jersey. . 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