LONDON -- Its been a lively start to the season finale at the O2 Arena, with Novak Djokovic almost tagging Boris Becker and Andy Murray making his debut as world No. 1.The top two players in the world are edging closer to a straight battle for the year-end No. 1 spot, though there are plenty of other storylines developing at the Tour Finals.Here are five things to watch out for Tuesday:?1. Has Djokovic cooled off?Novak got a little wound up by one British journalist in his news conference after being Dominic Thiem.He didnt react too well when it was suggested he may have been close to hitting a fan when he struck a ball in frustration towards his players box after losing a first-set tiebreaker.Venting his anger on-court may have worked -- he lost just two more games on his way to victory -- but his post-match outburst added fuel to the feeling Djokovic is still not quite himself.It has been a rocky six months for the Serb since winning the French Open, culminating in him losing the No. 1 ranking to Andy Murray.He will need to show he can deal with the pressure of battling back from adversity, something he has rarely had to do the past several years.2. Can Raonic snap his winless streak vs. Novak?It is seven matches and seven defeats against the current world No. 2 for Milos Raonic, who got off the mark with a 6-3, 6-4 win over Gael Monfils Sunday evening.The Canadian admitted it would be quite the step up.He was very commanding towards the end of his match [against Thiem], Raonic said of Djokovic. He really stepped up after a difficult, slow start.Its going to be a difficult task that I have ahead of me. I feel like Im doing some things well. I feel like I can do some things better.I was quite proficient on returning [against Monfils]. I took care of my serve like I hoped to. Thats what my game depends on. I hope I can keep moving forward.3. Will the real Monfils stand up?After all these years hes finally here. Its been a long time waiting for one of the most highly touted players of this era, and the 30-year-old Gael Monfils Tour Finals debut was one to forget.I simply love it, the Frenchman said, of his first experience playing at the O2 Arena, in a straight-sets defeat to Milos Raonic.But hopefully Monfils wants to prove he is here in London to do more than just make up the numbers.Well give him the benefit of the doubt against Raonic. I came here with not even a week of practice., he said. Even when youre 100 percent, its tough to beat those guys. Hes No. 4 in the world.Next up is Thiem. Its going to be a tough one, Monfils said. Not much time for me to recover. To be honest, a bit sore. I can feel it straightaway, so its not a good sign. Its a while I didnt play with pressure, I guess, in a tournament, with competition.Dominic is a fantastic player. He play from the baseline. Maybe give me a bit more time than Milos.4. Time for Thiem to turn it onDominic Thiem is 23. He has won titles on all four surfaces. But he wilted spectacularly under scoreboard pressure, after going a set up against Novak Djokovic.There are so many things to improve, the Austrian said after his opening defeat, I think there were too many unforced errors in the first few shots, in the rallies. Yeah, other things were good, other things were bad.For the man touted as one of the next big stars of the mens game, Thiem has had a number of early losses since reaching the French Open semifinals -- he has failed to make it past the second round at Wimbledon, Kitzbuhel, Toronto, Beijing, Vienna and Paris.He will need to find another gear against Monfils if he doesnt want another early departure in London.5. Can Jamie Murray cap off a stellar year?All the talk has centred on Andy Murrays bid to finish the year on top of the rankings, but his brother Jamie is also in with a shout of finishing as doubles No. 1.He and Bruno Soares will be looking to cap off a memorable 2016 with the doubles crown here, after winning the Australian Open and US Open.Tuesdays afternoon session throws up an intriguing battle against the Bryan brothers, with both teams having won their opening matches.Its always exciting to play against them, said Murray. Theyre clearly the best team in history with the amount of titles they won. They always bring a great energy to the court. We all look up to them. We all aspire to kind of get to their level.Of course, probably theyre starting to kind of decline a little bit. But thats always going to happen when youve won so much, and time has taken on.Were really fired up to play against them. Should be a great match. Well, Im looking forward to it. I hope Bruno is, as well. 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DETROIT -- Kerry Hyder looked up what a fine for roughing the passer might cost him in the NFL and saw that the penalty, $18,231, was more than any paycheck hed ever earned in his life.Then came the call from his agent.The NFL was fining Hyder for his hit on Cincinnati Bengals quarterback AJ McCarron on Aug. 18. The fine turned out to be for the exact amount that he had looked up -- and more than three times the $6,000 he would make the entire preseason.You know, I was a little hurt, Hyder told ESPN on Thursday night. Its definitely a bigger number than Ive ever made myself, so I hope we can figure something out with that, because as you know I havent made an active roster or anything.So its tough for me.Hyder, 25, said he is letting his agent handle the appeal process. The collective bargaining agreement between the league and the players association allows for fines to be reduced or appealed based on potential earnings this season.Hyder did all he could to try to make the team Thursday against the Bills, starting at defensive end and picking up three sacks in a 31-0 win. Hes somewhat of a long shot to make Detroits roster at a deep position, but his performance in the last preseason game could help him out. Last year, he had tthree fumble recoveries in the preseason finale against Buffalo and was cut.ddddddddddddHyder was on the New York Jets practice squad in 2014 and the Lions practice squad in 2015 before being called up for the final game of last season with the Lions. Hyders one-game check from last season, after taxes, would have approached the number he was fined for the roughing penalty.On appeal, a player may assert, among other defenses, that any fine should be reduced because it is excessive when compared to the players expected earnings for the season in question, the CBA states. However, a fine may be reduced on this basis only if it exceeds 25 percent of one week of a players salary for a first offense, and 50 percent of one week of a players salary for a second offense.Hyder was looking at it another way Thursday night. If he ends up having to pay the full fine, it might be for a very good reason.That means I made the 53-man roster, you know, Hyder said. Maybe its a blessing in disguise, so Im just trying not to worry about it, and Ill see what happens.Ill go through the whole process and see what happens. ' ' '