The Toronto Blue Jays' AAA affiliate Las Vegas 51s are sending LHP Aaron Laffey to face Arizona Diamondbacks' 2011 first-round pick RHP Trevor Bauer, who is pitching his 4th game with the Pacific Coast League Reno Aces. Former Major Leaguer Vladimir Guerrero, who recently signed a minor league contract with the Blue Jays, will be playing his first game with the 51s as their designated hitter. Free live audio can be found here.Aces lineup: Adam Eaton LF, Jake Elmore 2B, A.J. Pollock CF, Randy Ruiz (!) DH, Cole Gillespie RF, Ryan Wheeler 1B, Konrad Schmidt C, Rusty Ryal 3B, Taylor Harbin SS. 51s lineup: Anthony Gose CF, Adeiny Hechavarria SS, Vladimir Guerrero DH, Adam Lind 1B, Travis d'Arnaud C, Eric Thames LF, Yan Gomes 3B, Moises Sierra RF, Jonathan Diaz 2B.