By staff writers Jeff Giuliani and Ben Goldstein
James Jones is hoping to use his time back with the Tacoma Rainiers to improve his game for a possible return to the Seattle Mariners.
Jones was optioned to Tacoma on Wednesday after the Mariners called up outfielder Franklin Gutierrez.
He cited shortening his swing and working on bunting as two things he will be working on with the Rainiers. For the latter, he pointed to Shawn O’Malley, who was born in Richland, as the team’s best bunter and someone whose brain he wanted to pick.
“He has a lot of good …