Keeler and Robinson both came to the Prairie Dogs through offseason trades. Keeler was traded to Abilene on February 3 from the San Angelo Colts, while Robinson was acquired from the Florence Freedom of the independent Frontier League on February 14. Grady was signed by the Prairie Dogs on February 15.
Keeler went 1-0 with a 9.58 earned-run average in two starts for the Colts last year. He then signed with the Amarillo Sox of the independent American Association on August 11, and finished the season with them.
In Amarillo, Keeler went 0-1 with a 6.75 earned-run average in seven games and one start. Keeler is entering his third pro season with a 2-1 career record and a 6.20 earned-run average in 24 games and four starts.
Robinson went 2-3 with a 5.45 earned-run average in 34 relief appearances for the Freedom last year.
He was drafted by the Milwaukee Brewers in 2006, and played three seasons in their organization. Robinson reached as far as the Class A Wisconsin Timber Rattlers of the Midwest League.
Now entering his fifth professional season, Robinson has a 3-11 career record with a 6.06 earned-run average in 76 games and 10 starts.
Grady played the 2011 season with the El Paso Diablos of the independent American Association. He went 0-1 with a 7.04 earned-run average in seven games for El Paso.
He began his career in 2009 with the Orange County Flyers of the now-defunct independent Golden Baseball League. There, Grady posted an 11.57 earned-run average in two games.
Grady is entering his third professional season. He has a 0-1 career record with a 9.20 earned-run average in nine games.
The Abilene Prairie Dogs are a member of the North American Baseball League who will play their first season in 2012. Season ticket plans are on sale now, and are available by calling the Prairie Dogs front office at (325) 437-6555.