(CBS) — The Chicago Cubs acquired minor league pitchers Erick Lean and Jesus Castillo from the Arizona Diamondbacks in exchange for outfielder Tony Campana, according to a team release.

Leal, 17, went 6-2 with a 2.44 ERA in 14 appearances for the Dominican Summer League Diamondbacks last season. The 6-foot-3, 180-pound Leal struck out 70 and walked only 11 batters in 70.0 innings, an average of 9.0 strikeouts and only 1.4 walks per nine innings while striking out 6.4 batters per walk issued. The Carabobo, Valencia, Venezuela native also allowed only one home run in 70.0 innings pitched and posted a 0.99 WHIP.

Castillo, 17, went 2-4 with a 5.40 ERA in 14 appearances for the DSL Diamondbacks last season. The 6-foot-2, 165-pound Castillo struck out 41 and walked 17 in 46.2 innings pitched, while allowing only three home runs. He is a native of San Feliz, Tachira, Venezuela.

Campana, 26, batted .262 with nine doubles, one home run, 54 stolen bases, a .306 on-base percentage and a .300 slugging percentage in 184 games with the Cubs over the last two seasons. Campana was designated for assignment on February 10.