ST. PETERSBURG — Veteran reliever Jake Diekman had heard some chatter around the clubhouse a few weeks ago that Yandy Diaz, the Rays’ quiet and quite productive leadoff hitter, didn’t want any attention for his upcoming 32nd birthday. So Diekman came up with an idea to go hard the other way — hiring a five-man band to follow and serenade Diaz through all of his pregame work on Tuesday’s big …
