The Athletics have made another big move to upgrade their rotation by acquiring Jeffrey Springs from the Tampa Bay Rays. Per ESPN's Jeff Passan, the A's

With starting pitching to spare, the Rays swung a trade Saturday that brought their rotation into clearer focus and further fortified their highly regarded Minor League system. The Rays dealt starter Jeffrey Springs and left-hander Jacob Lopez to the Athletics for high-ceiling/MLB-ready starter Joe Boyle,

The A's now have a respectable top-three in their rotation, while Tampa sheds salary and adds a couple of intriguing prospects.