Watchpoints: Moore makes his debut for a rotation still in flux

Andrew Moore will be the 13th different starting pitcher used by the Mariners when he makes his major-league debut Thursday in the series finale against Detroit at Safeco Field.

It’s no reflection on Moore to say 13 is an unlucky number. It reflects a rotation that’s spent the entire season in an injury-induced chaos.

Moore replaces veteran Yovani Gallardo, whose demotion to mop-up duty in the bullpen swept the board. None of the club’s five projected starters have taken their turn on every cycle.

One difference with Moore is this isn’t a frantic move resulting from an injury. He arrives with a resume that, as general manager Jerry Dipoto phrased it, shows he’s "earned an opportunity to pitch…