Concepcion was optioned to Triple-A Iowa on Monday. Concepcion will be replaced in the bullpen by 40-year-old Joel Peralta. The Cuban had a decent first stint with the Cubs, posting a 3.86 ERA and 1.29 WHIP in three appearances out of the bullpen, but will now head back to Triple-A to work on his game until he is needed again.
Concepcion is expected to be optioned to Triple-A Iowa on Monday, Gordon Wittenmyer of the Chicago Sun-Times reports. The move won't become official until later in the day, but Concepcion will head back to Iowa, as the Cubs bring up veteran right-hander Joel Peralta. Concepcion has made a trio of appearances for Chicago since joining the team last weekend, and he's allowed one earned run on two hits through 2.1 total innings.
Concepcion retired all four batters he faced - including two by strikeout - in his major league debut Tuesday. Concepcion was terrible last year in the minors, but he was dominant for Double-A Tennessee this year before he was promoted to Triple-A Iowa for a decent 12-game stint. His strikeout rate has always been good, but his walk rate - even this year (14 walks in 35 minor league innings) could use some improvement.
Concepcion was had his contract selected by the Cubs on Tuesday, Gordon Wittenmyer of the Chicago Sun-Times reports. Concepcion, a 24-year-old lefty, will be making his major league debut with the Cubs after some frustrating years in the minor leagues. He notched a 8.24 ERA at Double-A Tennessee in 2015, but Concepcion has turned a corner in a big way this season. In 12 appearances at Triple-A Iowa this season, Concepcion has worked a 2.60 ERA with a 1.46 WHIP and 17 strikeouts across 17.1 innings. He adds a much-needed left-handed option out of the bullpen for the Cubs.
Cubs pitching prospect Gerardo Concepcion will make his pro debut on Wednesday for Class A Peoria.