Shelby Miller righting the ship

St. Louis Cardinals right-hander Shelby Miller has bounced back from two sub par outings and has now fanned 15 batters in his last 10 innings after tossing five shutout frames Tuesday.   Miller did not appear to be a strong consideration to make the Cards’ rotation out of spring training but it wasn’t completely ruled out until he was shipped to minor league camp in March. He’s the No. 2 starting pitching prospect in Keith Law’s Top 100 and the No. 1 arm remaining in the minors (Tampa’s Matt Moore already is in the Rays’ rotation). Miller’s ETA could depend largely on the club’s workload plan for the right-hander, as he’s not likely to be allowed to approach 200 innings after throwing 139 2/3 last season at age 19. Here’s what ESPN’s Keith Law had to say about Miller just prior to the start of the season: “He will sit in the low- to mid-90s and touch 97 mph as a starter with a sharp breaking ball in the upper-70s/low-80s with good depth that misses right-handed hitters’ bats. He co