Its becoming a more popular term in baseballs vernacular: spin rate. On some broadcasts, its almost as ubiquitous as the velocity readings. What exactly are they referring to? What do we know about how its tracked and what the data means? Does it deserve the hallowed treatment its beginning to get? Lets start with the basics.What is spin rate?At the heart of the Statcast numbers were seeing now is the Trackman system. In 2015, all major league parks had set up the radar equipment from the Danish company, in addition to existing cameras that gave us SportVisions PITCHf/x data. Radar is superior to video tracking when it comes to a high-velocity spinning ball, particularly because it can directly measure some things (like spin rate) that were merely extrapolated from movement before.In order to get the best data, MLB Advanced Media is now combining a series of high-definition optical cameras in each park with the radar system. Theyre working to have the two systems hand off certain high- and low-trajectory batted balls so they get the best of both worlds.Now, instead of judging spin backward by movement, the radar system can tell us the spin of the pitched baseball in revolutions per minute. That spin changes the movement of the pitch, so in some ways, its a one-number way to sum up the movement on a pitch. But theres evidence that spin may have something to do with deception as well, because batters naturally try to read the spin on each pitch.How MLB teams are using the infoTheres evidence that teams have been taking this information very seriously in recent years. Theyve had Trackman numbers in some form much longer than theyve been available for public consumption, and theyve been acting on it. In fact, the Astros admitted to claiming Collin McHugh off waivers because his curveball had a very high spin rate, and Ryan Buchter recently talked to me about how much the Dodgers value spin rate, especially from their relievers. Even if we dont know everything about it, the teams themselves are telling us its important from their actions.Now lets look at how spin rate matters for the various pitches.Which fastballs have the most spin? Cheap Jerseys Review . Goals from Jerome Boateng, Franck Ribery and Thomas Mueller extended Bayerns unbeaten run to a record 37 matches. "This record is incredible," Bayern coach Pep Guardiola said. Wholesale Jerseys Online . The showiest items on Calgarys lot were forwards Mike Cammalleri and Lee Stempniak. Both will be unrestricted free agents this summer. http://www.cheapjerseysreview.com/ . He says so-called TRT is only one problem and he wants to go even further than the ban. 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Will Greenwood discusses Englands first Six Nations Grand Slam in 13 years With a few tweaks here and there, Eddie Jones has turned Englands fortunes around. They have a very competitive scrum and their lineout was superb.We saw Maro Itoje come to the fore and had glimpses of the future with Elliot Daly, too. George Kruis was superb as well and I think Dylan Hartley was an excellent captain.England head to Australia in the summer with a spring in their step. It wont be easy but with a few more tweaks here and there, England could well surprise the Wallabies.Wales Wales must play more attacking rugby in New Zealand, says Dewi Wales really need to adapt their game plan. I know they have been talking a lot about it but it just has not happened for them.I think it is a real shame that they have played in such a one-dimensional way given the quality of backs they have. My old nemesis Robert Jones says that something has to change because they are wasting so much talent out in the backs. Wales are off to New Zealand and if they go there with their Six Nations attitude they will be stopped and squashed. Dewi Morris Whether that is changing Rhys Priestland for Dan Biggar to play a more attacking game rather than a kicking game remains to be seen.Wales are off to New Zealand and if they go there with their Six Nations attitude they will be stopped and squashed. They are going to have to play some more exciting rugby.Wales have plenty of capabilities and they have the firepower but they just cant seem to bring it all together.Ireland CJ Stander has made an impressive start to his international career Ireland showed against Scotland what a good structure they have and what a good attacking side they are. They have had a few blips but Joe Schmidt is a very, very good coach and I still think he can get a lot more out of Ireland.We have seen some excellent players come to the fore like Jack McGrath and CJ Stander, who I thought was superb this tournament. The more they play the better they will grow.Ireland have a long injury list including Peter OMahony, Sean OBrien and Iain Henderson. Once they return there will be the depth and potential to grow this team.Scotland Stuart Hogg is world cllass, says Dewi They have individual talent but there is a real lack of collective togetherness.ddddddddddddThey seem to be able to win more than their fair share of the ball but cant seem to make it count.Scotland showed some really great aspects to their game - they have a tremendous back row and I thought John Hardie really stuck his hand up.The Gray brothers were outstanding too and Stuart Hogg is one of those players who you just love to watch with ball in hand. There is not that many world class players in the northern hemisphere but Hogg is one of them. Six Nations review Englands Grand Slam success only the start, says Stuart Barnes Scotland also have two very good props in WP Nel and Alasdair Dickinson. They are off to Japan in the summer and I think that is a good tour for them to build some confidence. This is a squad that needs to get more time under their belt.Vern Cotter is an excellent coach and the more time he spends with them the better they will get.France Guy Noves has endured a difficult start to his reign as France head coach There is so much talent in France but they are in pieces at the moment. They played more rugby in the first half against England than they did all tournament.I love the Top 14 but it is killing French rugby. The clubs have more power than the federation and the players are getting flogged. You cant start a season in mid-August and finish it in mid-June and try to get your international players ready for Test matches.Asking if Guy Noves is the right or wrong man for the job is immaterial because no matter who takes over, the problem is the same - their hands are tied. A number of France internationals will be unavailable for their June tour of Argentina due to club commitments France need the clubs to give their international players time off and time together so that they can properly prepare for the Six Nations and tours.This seasons Top 14 final is on June 24 - France will already be on tour in Argentina with the first Test being played on June 18 and the second on June 25. Its a complete mess!Everyone loves to stick the knife into Rob Andrew but he was the main instigator in getting the RFU and the Premiership clubs to sit down and settle the dispute between club and country. England now have more time than ever with their players and you can see the result of that.Italy Sergio Parisse was again outstanding for Italy during a dire Six Nations campaign If Conor OShea is taking over then he has a heck of a job to do. I think if one person can do it then it is him. This campaign has been really difficult for them and they have suffered from a lot of injuries which has certainly hindered them.There has been a lot of talk about Italy deserving their place in the Six Nations, especially with the likes of Georgia and Romania improving on a yearly basis and desperate for a regular shot at the big boys.I think Italy need an injection of new coaching ideas and some new talent - they certainly do have some wonderful players but they lack depth.Sergio Parisse once again has been wonderful for them but how long can he keep going? I think the next few years will be crucial for their development.Do you agree with Dewi? Have your say by giving us your comments below if viewing on skysports.com. Alternatively, tweet us @SkySportsRugby Also See: Stuart Barnes Six Nations review WATCH: Greenwoods Lions XV Trophy a blank for Hartley WATCH: Rugby Club on England ' ' '