Commissioner of Baseball Rob Manfred has made comments in the past about banning defensive shifts in order to increase offensive production. But as we delve deeper into the logistics, were not sure how hed do it -- or why. Lets take a closer look.How we categorize shiftsThere are many variations of defensive shifts. At Baseball Info Solutions, we have two principle designations for shifts:1. Full Ted Williams (or TW) shift: TW shift is one in which there are three infielders playing on one side of the infield.2. Partial Ted Williams shift: Two players are significantly out of their normal position but on their normal side of the infield.If Manfred were to implement some kind of ban on shifts, the most obvious choice would be for him to eliminate only full shifts. Its easier to see whether or not three infielders are playing on one side of the infield as opposed to trying to determine whether or not players are significantly out of position on their regular side of the infield. The latter would require lines to be drawn to regulate whether or not a player crosses them.So for the purpose of this exercise, lets say Manfred banned only full shifts. Lets examine what percentage of overall shifts would be banned.Over the past five years, 60 percent of all shifts on balls in play have been full shifts, where all three infielders are playing on one side of the infield. As the table shows, the percentage of shifts that are full shifts has gone down this season compared with the previous two seasons. However, the overall number of full shifts is far greater than in prior seasons, and theres still a month left in the season. Teams are shifting against more and more players that are less extreme shift candidates (i.e. they pull the ball less than others), and these are the players that teams have a higher likelihood of using a partial shift against rather than a full shift, which leads to a lower percent of shifts that are full shifts.Issues with trying to regulate the shiftHeres the problem: Were not even sure how Manfred would go about setting the rules. Consider these relevant questions: Air Force 1 Damen Schweiz . It says Pocklingtons lawyer filed the appeal Friday in a California court. CTV Edmonton also says Pocklington gave a $100,000 cash deposit as part of the conditions of his bail, and that he will be out on bail until his appeal is heard. Air Force One Schweiz .com) - Manchester City midfielder David Silva is expected to miss the next four weeks because of a calf problem. http://www.airforce1justdoitschweiz.ch/air-force-1-just-do-it-schweiz/air-force-1-just-do-it-schwarz.html . 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English jockey James Doyle will ride for Godolphin in Australia while James McDonald is under investigation over a betting offence.McDonald stood himself down after being charged with having an interest in a bet on star colt Astern in December last year.While we continue to support James McDonald over the period of the investigation, we also have a racing stable to run and James Doyle, who is a retained jockey for Godolphin, is one of the best jockeys in the world, Godolphin managing director Henry Plumptre said.With the winter recess in the UK, he is available to ride in Australia for Godolphin and Sheikh Mohammed and we are delighted to have him.Plumptre says Doyle, who rides at a minimum 55kg, is likely to have his first race rides in Sydney on Saturday week while Godolphin will continue to use lightweight riders Brenton Avdulla and Tim Clark.The 28-year-old Doyle was aboard Telperion when he finished fourth in this years Golden Slipper and was flown in to ride Complacent in last years Cox Plate.Doyle is expected to arrive in Sydney on Monday and will be on a six-month visa.Trainer John OShea said Godolphin was blessed to be able to get a world-class jockey like Doyle to step in.ddddddddddddJames has been a member of our team here in Australia in the past and has always fitted in extremely well, OShea said.Hes been in good form this season and were looking forward to having a jockey with his experience joining the team.Doyle lost his position as first-choice rider for Saeed bin Suroor in September with the Godolphin trainer saying he wanted to match jockeys with individual horses.Doyle has ridden 17 Group One winners in four countries and won the Group Two Middleton Stakes at York on Zipping Classic winner Beautiful Romance in May and won a Listed race on Caulfield Cup runner-up Scottish in July.I have really enjoyed my visits to Melbourne and Sydney to ride for Godolphin in feature races like the Golden Slipper and Cox Plate over the past two seasons, Doyle said.This is a great opportunity to spend more time in Australia and I am looking forward to the challenge. 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