"Gregg Zaun had privately been kicking around the idea of retirement this spring, though he pushed forward in his bid to play a 17th Major League season -- even if his surgically repaired right shoulder wasn't cooperating. "The stamina just isn't there. The arm strength came back ... but it wouldn't last," Zaun said Monday morning. "After three innings yesterday, I was totally gassed. The amount of time for me to get ready to play at a high level ... it just saps the fun out of it." Following Sunday's game against the A's in Peoria, Ariz., Zaun walked into the office of Padres manager Bud Black and informed him of his decision to retire." Read more: http://mlb.mlb.com/news/article.jsp?ymd=20110307&content_id=16849308&vkey=news_mlb&c_id=mlb