With the opening round of Super League XXI fast approaching, Jon Wells takes a look at the top five potential game changers for 2016. In compiling his top five, Jon looked at both the players individual ability but perhaps more importantly the way in which they will effect positive change for the team they has joined.Heres who made the cut ahead of the new season... 5. Sam Tomkins (Wigan Warriors) Tomkins returns from the NRL as a much better player, says Jon Wells Beaten Grand Finalists for the last two seasons, the return of Tomkins is a massive boost for Wigan. Notwithstanding Matty Bowens superb contribution to the Warriors during that period, I think that you will see a better developed player returning to his hometown club in 2016 despite differing opinions of his success or otherwise in the NRL.Sams time in Australia will have undoubtedly made him a better player. It was clear from watching him in his time at the New Zealand Warriors that he has developed into a fine defensive fullback which was perhaps his least strong point (in a whole list of strong points) as a modern-day attacking number 1. Add to that 15 try assists in his 37 game spell with the NRL outfit and a clearer picture emerges of what Tomkins will be bringing back with him to the UK.Hes a class act, this is his club, and from a competitive perspective there will not be a head coach in Super League who will enjoy seeing his name at the head of the Wigan team sheet this year. People are expecting big things; and I reckon hell deliver.4. Ryan Hampshire (Castleford Tigers) Castlefords Ryan Hampshire In my opinion, the skys the limit for the Warriors loanee Hampshire. The return of Tomkins and the continued development of Lewis Tierney and in particular George Williams and his burgeoning partnership with Matty Smith means Wigans loss for 2016 is very much Castlefords gain.Luke Gale is nailed on for the No 7 jersey this season but the Tigers tinkered with their stand-off position throughout 2015 with Ben Roberts and Liam Finn making the most serious claims. However, my feeling is that Roberts is best-used in the hooking role in tandem with Adam Milner. With Finn moving on to the Wildcats, Hampshires preference and natural ability could mean a new spark for the Tigers to augment an already formidable - and much better balanced - squad for 2016.Hell be a key player for the Tigers in their push to surpass their revolution as a major force in Super League since the arrival of Daryl Powell.3. Frank Pritchard (Hull FC) Frank Pritchard playing in his final game for the Bulldogs before heading to Hull FC A devastating forward at his best, Pritchard provides huge scope for Hull FC this season. He joins them as a New Zealand and Samoan international player from Canterbury Bulldogs and one look at his highlight reel will show you all you need to know about what he can bring to a side. A huge hitter in defence and blessed with superb hands, Pritchard has the potential to spearhead this Hull FC pack who relied so heavily on Gareth Ellis and Mark Minnichiello last year. The reason the above is peppered with words such as scope and potential surrounds Pritchards state of mind; he can be a world-beater if he is dialed into the job at hand but has mis-fired in the past.Never has there been so much pressure on a Head Coach as there is this season to ensure his big name signing delivers. But Im an optimist; Lee Radford is a leader - always has been; Pritchard is a winner - and still can be; and Hull FC are a massive presence in Super League.This could be a defining season for player, coach and club.2. Brett Ferres (Leeds Rhinos) Leeds Rhinos and England forward Brett Ferres Off-setting the loss of Sinfield, Peacock and Leuluai was always going to be a huge challenge for the Rhinos. I use the term off-setting as opposed to replacing because I do feel - certainly in the case of Sinfield and Peacock - that these two were simply irreplaceable. The Rhinos will be keen to see the return of Liam Sutcliffe from a lengthy absence after a serious knee injury, and they have added some real grunt up front with the transfer in of Keith Galloway from Wests Tigers, but Ferres is going to be a major player for the Rhinos in 2016. His stock has risen dramatically in the last three seasons and his off-loading ability will really suit Leeds brand of rugby.You also have to think about what his inclusion will do to the rest of the team; I see him competing directly with the likes of Stevie Ward, Jimmy Keinhorst and Jamie Jones-Buchanan and certainly with respect to the former two I feel this can only be a positive for their continued development and to the Rhinos as a whole. To have such strength in depth in a pack which has just said goodbye to two of its mainstays and most dependable players is a huge boost and will mean the Rhinos will have selection headaches rather than selection worries at the back end of the season.1. Glenn Stewart (Catalans Dragons) Catalans Glenn Stewart Joins the Catalans Dragons franchise from the NRLs South Sydney Rabbitohs and brings with him a wealth of big game experience. An Australian international, Stewart may well be the missing piece of the jigsaw for the Dragons; a much-needed ball-playing forward that could really help Richie Myler and Todd Carney. He will give them options at the line which usually ended up in 2015 in Morgan Escares hands. Escare is a fine, fine runner of the ball, but he is young and still learning the passing side of his game.The addition of Stewart, along with a little manipulation of how the Dragons set up their attacking shape, may well help the Dragons find the space on the edge in which they excel. That would allow Escare to concentrate on what he does best and push the Perpignan based side deep into the play-offs in 2016.Hes my one to watch above all others in 2016 and could well be the catalyst which sends the Dragons into or close to a major final.Watch Leeds v Warrington live on Sky Sports 2 HD on Thursday from 7pm. Catch the match for £6.99 on NOW TV. No contract. 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Born and raised in Toronto, Bradwell is entering his sixth CFL season, with all six played for his hometown Argonauts. SARATOGA SPRINGS, N.Y. -- Tourist became a much-deserving Grade 1 winner for the first time when rallying from off a relatively slow pace to a 1-1/4-length victory over A Lot in Saturdays $500,000 Fourstardave at Saratoga.Tourist had to survive a brief bobble on the second turn and a claim of foul by Javier Castellano, the rider of A Lot, before his Grade 1 win was officially in the books.Tourist ducked in at the break before straightening away and taking up a striking position just off the early pace set by King Kreesa, who posted leisurely splits of 24.53 and 48.43 over the firm course. Tourist was sent up to challenge the leader by jockey Joel Rosario on the far turn, stumbled briefly nearing the quarter pole, quickly recovered to edge clear near the furlong grounds then had plenty left to withstand a final surge from the runner-up.A Lot, bumped by Tourist almost immediately after the break, was reserved at the rear of the scratch-reduced field for six furlongs, commenced his bid midway on the second bend, finished willingly down the center of the course, but could not reach the winner. Grand Arch, winner of the 2015 Fourstardave, raced within striking distance from the outset but lacked the sufficient rally at the end.Ring Weekend, the tepid 5-2 favorite, steadied after getting pinched following the incident at the break, saved ground thereafter and could never seriously menace.ddddddddddddTourist, a 5-year-old son of Tiznow, had been Grade 1-placed on four previous occasions, including in his previous start when second, beaten less than a length, in the Shoemaker Mile at Santa Anita 11 weeks earlier. Trained by Bill Mott for the partnership of WinStar Farm, Gary Barber and Wachtel Stable, Tourist returned $7.40 after completing a mile in 1:34.29.Very important for a horse like him to get a Grade 1 win, Mott said. Hes been a good horse, multiple Grade 1-placed, and to win the Fourstardave at Saratoga is an important race.Mott said he was happy with the way the trip worked out, but did admit to having some anxious moments when Tourist bobbled momentarily on the second turn.On paper, that looked like the type of trip hed probably get, Mott said. He was laying second, came on and drew away from the field. But it was a bit of an anxious moment on the middle of the turn when he took a bad step. I kind of swallowed for a second there, but he was able to pick himself back up and go on with it.Mott said the Breeders Cup Mile would be his ultimate goal for Tourist later this year. ' ' '