On May 19, 2009, he was promoted to the class A advanced Frederick Keys.

In 2005, Markakis started the year with the Frederick Keys and was named the top Orioles prospect by Baseball America.

Frederick Keys, a "high-A" minor league baseball affiliate of the Baltimore Orioles.

Before with the hooks, he was also the voice of the El Paso Diablos and the Frederick Keys.

On August 7, the stadium opened before a standing-room only crowd of 6,421 with the Avalanche defeating the Frederick Keys 3-2 in 15 innings.

He is currently the manager of the Frederick Keys of the Carolina League.

He is currently the field coach for the Frederick Keys, the Carolina League affiliate of the Baltimore Orioles.

He played for the Frederick Keys in 2001, hitting .261 with 26 RBI, 58 walks and only 52 strikeouts.

He is the former field coach for the Frederick Keys.

After advancing to the Frederick Keys for the 1990 season, Ricci again led that team with 12 defeats, as compared to his 7 victories.