The Astros invited 20 non-roster minor-leaguers to spring training Tuesday, including infielder Carlos Correa and pitcher Mark Appel, the team announced.
The team's other invitees include pitchers Jake Buchanan, Rhiner Cruz, Jorge De Leon, Bobby Doran, Mike Foltynewicz, Jason Stoffel and Nick Tropeano; catchers Rene Garcia, Tyler Heineman and Carlos Perez; infielders Japhet Amador, Jonathan Meyer and Ronald Torreyes; and outfielders Delino DeShields, Leo Heras, J.D. Martinez, George Springer and Preston Tucker.
Correa, 19, was the No. 1 overall pick in the 2012 amateur draft. He hit .320/.405/.467 with nine home runs, 86 RBI and 10 stolen bases in 450 at-bats with Class A Quad Cities last season.
Appel, 22, was the No. 1 overall pick in the 2013 amateur draft. He went 3-1 with a 3.79 ERA, 1.18 WHIP and 33:9 K:BB ratio in 38 innings over 10 starts between low Class A Tri-City and Class A Quad Cities.