The Orioles on Wednesday recalled top prospect Kevin Gausman from Triple-A Norfolk and optioned lefty Wei-Yin Chen to their Gulf Coast League affiliate.

Gausman the fourth overall pick in the 2012 First-Year Player Draft returns for a second stint with the Orioles after going 1-3 with a 6.21 ERA in nine big league appearances (five starts) earlier this season. The 22-year-old righty was 1-2 with a 4.04 ERA in eight games (seven starts) with Norfolk including 1-0 with a 1.00 ERA over 18 innings in four August outings.

As for Chen the move comes one day after he was tagged for eight runs off eight hits and three walks over 3 2/3 innings in a loss to the Red Sox. Overall he is 7-7 with a 3.76 ERA in 17 starts this season.