Phillies' up-again-down-again reliever Michael Schwimer posted a congratulatory message on Twitter to three Lehigh Valley IronPigs teammates on Thursday afternoon in relation to their promotions to the big league club. The three players mentioned were lefty hurlers Jake Diekman (pictured) and Raul Valdes as well as mulit-positional veteran Hector Luna . Diekman, 25, has posted sparkling numbers dating back to last year. Over 16 combined relief outings in the Arizona Fall League and in Major League spring training this year, Diekman posted a 0.55 ERA with 23 strike outs and 7 walks. The Nebraska native followed that up by allowing just 1 earned run through 12 relief innings, while striking out 22 and walking just 3 batters with the IronPigs. Diekman, a 30th round pick of the Phillies in the 2007 amateur draft, sports a fastball that reaches 95 MPH, a solid slider and a deceiving change up. He was ranked 18th on the 2012 PhilliesNation top prospects...