Las Vegas Aviators shortstop Jorge Mateo signs items for a group of young fans before the start of a baseball game against Round Rock Express in "Reyes de Plata" (Silver Kings) uniforms as part of the "Copa de la Diversion" at the Las Vegas Ballpark in the Downtown Summerlin area of Las Vegas on Tuesday, June 4, 2019. (Chase Stevens/Las Vegas Review-Journal) @csstevensphoto