EDEN PRAIRIE, Minn. - The Minnesota Vikings have ruled Christian Ponder out for Sundays game at Baltimore, because the quarterback has not yet passed all of his post-concussion tests. Coach Leslie Frazier said Friday that Ponder will not suit up against the Ravens, with Matt Cassel starting and Josh Freeman backing him up per the plan set at the beginning of the week. This is Ponders third significant injury of the season. He had a broken rib that paved the way for Cassel to start against Pittsburgh on Sept. 29, and dislocated his shoulder at the end of the third quarter against Washington on Nov. 7. Ponder took a hit to the head late in the second quarter last week against Chicago. Running back Adrian Peterson returned to practice Friday after taking the last two days off to rest his sore groin, following the pattern that has developed in the second half of the season to keep him fresh. "No real need to burst or go 100 miles per hour today, but just something to make him feel comfortable about Sunday," Frazier said. Peterson was listed as questionable on the injury report, but theres no indication of doubt about the NFLs leading rushers participation in Baltimore. He has 1,208 yards through 12 games. Safety Harrison Smith is still on injured reserve because of the turf toe injury he suffered nearly two months ago, but he practiced all week and is on track to return to the active roster and play Dec. 15 against Philadelphia. Also, wide receiver Greg Childs, working his way back from bilateral patellar tendon tears, took part in consecutive practices this week for the first time. Frazier said hes "really improved." Childs is on the physically unable to perform list, and the Vikings must decide by Monday whether to place him on the active roster, put him on injured reserve or cut him. 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Braves reliever David Carpenter was also fined for throwing at Rockies outfielder Corey Dickerson in the same game, which featured several ejections, including Colorado manager Walt Weiss.LOS ANGELES -- The Los Angeles Dodgers signed Cuban prospect Alexander Guerrero to a $28 million, four-year contract Tuesday. The deal calls for a $10 million signing bonus payable upon approval of the contract by Major League Baseball. Guerrero would earn $4 million in both 2014 and 2015, and $5 million in both 2016 and 2017. There is $1 million per year in performance bonuses, based on 500-600 plate appearances. The 26-year-old infielder defected from Cuba earlier this year and moved to Haiti. He has been training in the Dominican Republic, where scouts for the Dodgers saw him during workouts. "We feel Alexander can be an offensive infielder and a solid everyday player," general manager Ned Colletti said. "Were looking forward to him competing for a middle infield position and becoming a key contributor in 2014." Guerreros deal eliminates the Dodgers as a possible bidder for Robinson Cano, the New York Yankees All-Star who is eligible for free agency and is seeking a contraact that could approach $300 million.dddddddddddd Guerrero played seven seasons in Serie Nacional, Cubas top professional league, where he was a three-time All-Star selection. In his final season of 2011-12, he batted .290 with 21 home runs and 50 RBI in 80 games. He committed eight errors in 350 chances at shortstop for a .977 fielding percentage. In September, he received a license from the U.S. Office of Foreign Assets Control that allowed him to sign with a major league team. Colletti said the Dodgers would plan on having Guerrero play winter ball. "Hes a big league infielder that has versatility to him," the general manager said. Another Cuban, 22-year-old outfielder Yasiel Puig, had great success with the Dodgers this season. He was called up from the minors in early June, and nearly made the All-Star team while helping the team reach the NL championship series. To make room for Guerrero on 40-man roster, right-hander Peter Moylan was designated for assignment. Wholesale USA Soccer Jerseysdiscount uswnt jerseyWholesale AC Milan JerseysWholesale Arsenal JerseysWholesale A.S. Roma JerseysWholesale Atletico Madrid JerseysWholesale Chelsea JerseysCheap Barcelona JerseysBayern Munich Jerseys For SaleCheap Borussia Dortmund JerseysCheap Inter Milan JerseysJuventus Jerseys From ChinaLeicester City Jerseys For SaleDiscount Liverpool JerseysWholesale Manchester City JerseysManchester United Jerseys For SaleWholesale Paris Saint-Germain JerseysReal Madrid Jerseys From ChinaCheap Sevilla JerseysAuthentic Tottenham Hotspur Jerseys ' ' '