TORONTO -- Major League Baseballs new rule on home plate collisions is causing some confusion. Houston Astros manager Bo Porter had a telephone conversation Wednesday with Hall of Fame manager Tony La Russa, currently a special assistant to baseball commissioner Bud Selig. Porter said La Russa told him the league intends to clarify its rule on blocking the plate, and how such calls are challenged and reviewed. "My understanding is there will be a memo coming out that will bring some more clarity to it," Porter said before the Astros played the Blue Jays on Wednesday night. MLB spokesman Michael Teevan said he wasnt aware of any plans for a new memo. Porter telephoned La Russa after Astros outfielder L.J. Hoes was called out at the plate on an infield grounder in the eighth inning of Tuesdays 5-2 loss. That made him the second manager in four days to pick up the phone after a call at home plate. On Saturday, Yankees manager Joe Girardi spoke to Joe Torre, an MLB executive vice-president, over his concern there was "confusion to the rule." New Yorks Francisco Cervelli was called out trying to score against Toronto, even though Blue Jays catcher Josh Thole was straddling the plate before receiving the ball. "I believe this is going to be the toughest overall for (umpires) to get right all the time," Girardi said after Saturdays 4-0 loss to Toronto. "To me, its a vague interpretation of what blocking home plate is and I think it needs to be in writing." In January, baseball adopted a new rule on plate collisions on an experimental basis for this year. Under the rule, catchers are prevented from blocking a runners path to the plate unless they have possession of the ball. "Its a rule that was ... agreed to late, and I dont know if everything has been completely ironed out," Girardi said Sunday. Porter said he planned to speak to the umpiring crew during the exchange of lineup cards before Wednesdays game to ask for their interpretation of the rule, and the challenge process on those plays. Duke Riley Jersey . They have watched it from afar. And now they have seen it for themselves. Terrell McClain Jersey . The second-ranked Jayhawks will play the Miners of Texas-El Paso at Imperial Arena in the Bahamas. The game can be seen live on TSN2 starting at 7pm et/4pm pt. http://www.cheapfalconsjerseysonline.com/?tag=desmond-trufant-jersey-online . Kerber will next play Estonias Kaia Kanepi, who beat American qualifier Victoria Duval 6-1, 6-3. In other first-round matches, Lucie Safarova beat 2010 French Open champion Francesca Schiavone 6-4, 6-4 and American Bethanie Mattek-Sands had a 6-4, 6-3 win over Canadas Eugenie Bouchard. Justin Zimmer Jersey . That Ginette Reno can sing. Matt Bosher Jersey . Blown save in the ninth inning? No problem.LAS VEGAS -- Canadian Alexis Davis modestly describes her fighting skills as "a little of this, a little bit of that." "Doesnt matter where the fight ends up, Im pretty comfortable in all positions," she said. The 29-year-old from Port Colborne, Ont., who fights out of San Jose, looks to use all those tools Saturday against womens bantamweight (Rowdy) Ronda Rousey in the co-main event of UFC 175. Rousey (9-0) is the gold standard of womens MMA. An Olympic bronze medallist in judo, she has gone on to dominate the womens side of mixed martial arts in defending her 135-pound UFC title three times. As such, the bookmakers see Rousey as anywhere from a 9-1 to 17-1 favourite against Davis despite the fact both women are 3-0 in the UFC. Rousey tells a different story. "Shes the most well-rounded fighter Ive ever come up against," she said at a public workout Wednesday. "Ive always had someone whos predominantly a grappler or striker, who always had that weak area to bring them to. Alexis really doesnt have a weak area, so I just have to be better than her everywhere." Davis (16-5) has black belts in Brazilian and Japanese jiu-jitsu. And the scars around her eyes show she is not afraid to mix it up. While quiet by nature, Davis is savouring the buildup to the championship bout. "I feel like Im on a rush right now, kind of soaking everything, just enjoying myselff," she said.dddddddddddd She will have plenty of support from north of the border, with some 20 family and friends expected to fly down to Vegas. "Its incredible," she said. "Im just happy to have them watching on TV. For them to come out, its awesome that they support me." Her husband Flavio Ralf Meier doubles as her Brazilian jiu-jitsu coach, so hes already here. The two rolled together at a public workout Wednesday, bowing to each other as the workout ended. "It has its highs and its lows," a giggling Davis said of having her husband as a coach. "But were really good at being able to kind of separate what were doing -- inside the gym and home life. Because you kind of have that balance. Home is like your little sanctuary where you dont have to focus on the fight, youre more worried about whats going on with the kids (three boys from her husbands previous relationship). Its just all about relaxing. "But when were inside the gym, if you havent seen it, Im choking him just as hard as Im choking everybody else." As for the lopsided fight odds against Rousey, Davis is unconcerned. "I can see why Im the underdog," she said. "Obviously not only is she the champion and shes been so successful but every single fight shes had has been a finish. "I dont mind being the underdog ... Less pressure, let her have it all." 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