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It's hard to believe we're already nearing the quarter mark of the 2016-17 NHL season. There have been many surprises, good and bad, throughout the first month of the campaign. Some of these surprises are sustainable, while some are not. Through an 82-game season, some of these abnormal stats have a way of correcting themselves.

Artem Anisimov's shooting percentage

Anisimov is scoring on 30.8 percent of his shots - the highest shooting percentage of any player with at least 20 shots. Over his eight-year career, his shooting percentage is just 12.5.

Fantasy owners should immediately sell their Anisimov stock. He has eight goals and 17 points through 15 games, yet his career high in points is just 44. As a defensive-minded center, it's doubtful he has just "figured it out" at this point in his career.

If Anisimov was going to have a breakout season, it would have been last year when he skated between RW Patrick Kane and LW Artemi Panarin. Kane has been bumped up to the top line to play with C Jonathan Toews, leaving 37-year-old Marian Hossa on Anisimov's right wing. Hossa is a future Hall of Famer, but at this point in his career, he is a major downgrade to Kane.

Mark Giordano's shooting percentage

On the opposite end of the spectrum, Giordano has scored just one goal on 38 shots this season for a 2.6 shooting percentage - third-worst in the NHL among players who have scored at least one goal.

It isn't unusual for defensemen to have low shooting percentages since they take most of their shots from the point, but 2.6 is extremely low. Giordano's career shooting percentage is 7.4. He has scored 46 goals over the past three seasons, including 21 last year. He fires enough shots on goal that this will progress to the mean throughout an 82-game season.

Not only does Giordano take plenty of shots, but he logs huge minutes. His 25:07 ATOI (average time on ice) is the 11th-highest in the league. He still anchors Calgary's top power-play unit, where he scored nine of his goals last year. Right now is the ideal time to buy low on Giordano.

Tuukka Rask's HDSv%

Rask currently has a save percentage of .896 on what are considered high-danger shots. This is the second-best mark in the NHL among qualified goaltenders after Carey Price. We all know Price is capable of bailing his team out on a consistent basis, but is Rask?

Coming into this season, Rask's career HDSv% was .819. This is still a respectable mark, but it's a long way from his season mark.

Boston is not the team it was three or four years ago. The Bruins have significant holes on the back end. Zdeno Chara is 39 years old and is still being counted on to log over 23 minutes per game - the most on the team. Given their weaknesses, expect Rask's otherworldly SV% and GAA to regress somewhere closer to his 2014-15 numbers.

Joe Pavelski's assists

Pavelski is having a great season with five goals and nine assists through 15 games, although his stat line could be much better. All nine of his assists have been primary helpers. He hasn't had the fortune of any phantom (secondary) assists padding his stats.

With all of the firepower San Jose has, Pavelski is bound to start recording some phantom assists. Last season he had 24 primary helpers and 16 secondary assists. Given that he is already off a strong start, it'll be tough to trade for him, but owners should hold him rather than trying to sell high.

Kevin Shattenkirk's assists

Shattenkirk is an extremely talented offensive defenseman, but now might be the time to sell all of your shares in him. He is off to a red-hot start with 12 points in 16 games, but of his eight assists, seven are of the secondary variety. Once Shattenkirk's luck of phantom helpers runs out, his point total will take a serious hit.

Shattenkirk's upside has always been hindered by playing in Ken Hitchcock's defensive system. It also doesn't help that Alex Pietrangelo's presence limits the amount of minutes Shattenkirk plays since both are right-handed shots.

Shattenkirk is certainly capable of maintaining a point pace like this, but it would likely take a move out of St. Louis to make it happen. His name has swirled around in trade rumors, so it possible.

Corey Perry's goals

Perry is one of the most accomplished goal scorers in the entire NHL. Excluding the lockout shortened season of 2012-13, he has scored 30 goals in five straight seasons. At 31, Perry is nearing the tail end of his prime years.

He only has four goals this season, which may lead his owner to believe he is on the decline, potentially making him available for trade. However, Perry is second in the NHL with 34 iSCF (individual scoring chances for). A proven goal scorer like him is bound to start burying on his chances. Hold him if you own and try and trade for him if you don't.

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