The Yarmouth-Dennis Red Sox, which featured two Rebels in 2014, won the Cape Cod Baseball League championship.
UNLV baseball will play teams from the Big 10, Big 12, Big West, Pac-12, WCC and WAC conferences in 2015.
The Las Vegas native joins the organization after agreeing to terms on a deal worth just over $2.5 million.
Fedde and Finkelstein earn school's top athletics honors for 2013-14.
Deal would be for additional four years through the 2019 season.
12 UNLV baseball players are playing across six different collegiate baseball leagues this summer.