Mariners youngster Jesus Montero watching and learning as he tries to get the catching part of his gig down pat

Guillermo Quiroz can relate to what his fellow Venezuelan countryman, Jesus Montero, is going through this spring. It was eight years ago, while with Toronto, that Quiroz -- a journeyman pro who played a handful of games for the Mariners in 2006, 2009 and 2010 and is back in camp on a minor league deal -- arrived at spring training as a much-heralded catcher of the future. Quiroz had put up some big minor league numbers at the plate in 2003, hitting 20 homers and 27 doubles in Class AA, posting an on-base-plus-slugging percentage of .889 and playing in 2003 Futures Game. He was rated baseball's third-best catching prospect and 35th best prospect overall by Baseball America at the time. Upon arriving in camp in Dunedin, Fla. in 2004, he came under plenty of scrutiny on a team desperately thin for quality catching. And like Montero, he also had plenty to learn about the art of catching at the big league level. "The most important thing you have to do is build a relationship...