Manager Bob Melvin said Thursday from the Tokyo Dome that the position is still a three-man race between Brandon Allen, Kila Ka'aihue and Daric Barton. Allen started Wednesday's contest, while Ka'aihue got the nod against lefty Jason Vargas on Thursday, with Barton back in Arizona racking up more innings as he works back from shoulder surgery.
"We're still kind of a work in progress here," Melvin said. "One, we're trying to create more of a team type of concept and get everyone involved. I still think Kila's at-bats against left-handers were a bit better. I could have gone either way with it. I think, certainly, Brandon could have handled it, but I kind of envisioned this, anyway."
The A's are set to play four more exhibition games -- one against Triple-A Sacramento and three vs. San Francisco -- before restarting the regular season on April 6, giving Melvin about one more week to evaluate the candidates. Both Ka'aihue and Allen are out of options, making the decision even more difficult.
Thus, Melvin said he really has no timetable in mind on settling the race, which could potentially not see an end until the last possible minute.
"I don't know," he said. "We have to make some decisions here, especially if we feel like Daric is ready to play in regular-season games."
Since the A's won't need a fifth starter until April 16, they could potentially carry two first basemen to start the season. In response to that notion, Melvin said "anything's possible."