51s manager Tony DeFrancesco signals his batter during Las Vegas’ home matchup with the El Paso Chihuahuas on Monday, April 9, 2018, at Cashman Field, in Las Vegas. (Benjamin Hager/Las Vegas Revie …

51s manager Tony DeFrancesco signals his batter during Las Vegas’ home matchup with the El Paso Chihuahuas on Monday, April 9, 2018, at Cashman Field, in Las Vegas. (Benjamin Hager/Las Vegas Review-Journal)