Channeling his best Clint Eastwood, the head of the agency who operates the College World Series stadium issued a warning Wednesday to fans tempted to dash onto the field during play: “Get off my lawn.”Roger Dixon, president of the Metropolitan Entertainment and Convention Authority, said security personnel have made it a priority this year to keep fans from disrupting games at TD Ameritrade Park.“While we understand this may be viewed as just having fun, we want guests to understand that it is a safety and security issue and fans on the field cannot be tolerated,” Dixon said.The CWS begins Saturday and runs through June 25 or 26.Officials for decades have winced at beach balls floating out of the stands onto the field. But they want to nip what has been an increasing number of fan-on-the-field incidents in recent years.The breaking point came last year when several young fans hopped the 8-foot outfield fence in the seventh inning of Game 1 of the finals. According to media reports, six people were ticketed, including a 17-year-old girl who patted the backsides of two players while grounds crew members and security personnel chased her.Omaha city prosecutor David Smalheiser said trespassers face up to six months in jail and a $500 fine.New signs warning fans to stay off the field have been placed around the ballpark.Briefly • TCU baseball: Right-hander Riley Ferrell has earned an invite to the Collegiate National Team training camp with a chance to earn a spot on the 24-man roster. Ferrell is the third Horned Frog to earn an invitation to the team. Ferrell, a member of the Big 12 All-Freshman team, made 23 appearances out of the bullpen, with a 2.20 ERA in 32 2/3 innings. • Texas Tech basketball: Point guard Randy Onwuasor, a 6-foot-3 point guard from Inglewood (Calif.) High School, became new coach Tubby Smith’s fourth commitment in the 2013 class. • Syracuse basketball: Former Syracuse assistant Bernie Fine is suing ESPN for $11 million, according to CNYCentral.com, claiming the network defamed him in November of 2011 when it reported accusations by former ball boy Bobby Davis that Fine had sexually abused him. • Conference USA: UT El Paso will host the 2014 men’s and women’s basketball championships. • Miami athletics: After more than two years of investigation, mudslinging and another investigation, one of the most talked-about NCAA compliance cases will head to its version of court. The Hurricanes will meet with the NCAA’s Committee on Infractions starting today in Indianapolis. The hearings are expected to span three days — considerably longer than the typical one to two. • Seton Hall basketball: Sophomore center Kevin Johnson is leaving the university. Coach Kevin Willard announced late Tuesday evening that Johnson, of Compton, Calif., had been granted a full release by the university. Johnson appeared in 21 games for the Pirates last season.