With a 13-2 record at home to begin the year, including a span of 10 straight wins that was broken up by the A's in a 4-3 extra-innings loss on Saturday, Tampa Bay sits atop the American League East and has the best record in the AL.
It'll be up to starter Matt Moore to get another streak going when the Rays face the A's on Sunday in St. Petersburg for the series finale.
Looking sharp on Tuesday against the Mariners, the left-hander gave up only one run on seven hits in five innings.
Moore also struck out a season-high seven and got his first win of the season, thanks in part to a solid Rays bullpen that gave up no runs in four innings of relief.
"The five-and-dive wins don't feel as good as saving the bullpen, but they were outstanding tonight after being used quite a bit recently," Moore said after the game. "We'll take it. We're playing very well right now, so it's good."
Moore will face off against Oakland southpaw Tommy Milone, who is looking to bounce back after suffering the worst start of his young Major League career.
He gave up eight runs on eight hits in 42/3 innings to the Red Sox on Monday, including three home runs for the loss.
"I didn't feel horrible," said Milone, who threw 98 pitches while watching his ERA rise from 2.00 to 3.69. "I felt like I was making some good pitches, but a good-hitting team like that, you make a couple mistakes, and they're going to score a bunch of runs."
A's: Melvin may adjust rotation
With an off-day for the A's on Monday, manager Bob Melvin said before Saturday's game against the Rays that he plans to adjust the rotation.
With starter Tyson Ross struggling in his last two starts, tossing just 7 1/3 innings and giving up 20 hits and 16 earned runs, Melvin admitted he plans to "tinker with the rotation."
Daric Barton was in the starting lineup at first base Saturday against the Rays, while Kila Ka'aihue moved to DH. Barton finished the day 3-for-5 with a run scored.
"He's a guy we expect to pick it up and do well for us," Melvin said of Barton. "We had planned to play him today [with right-hander Jeremy Hellickson starting for the Rays] regardless."
Rays: Upton stays in two spot
Manager Joe Maddon kept B.J. Upton in the two hole for Saturday's game against the A's after he found success there Friday night.
Upton belted a pair of doubles on Friday with two RBIs while scoring a couple runs, and went 1-for-6 on Saturday.
"The quality of contact has been better," Maddon said. "The ball is coming off the bat better and that's what I've been waiting to see. He's been pulling balls down the line and he has a pretty good swing now."
Joe Maddon managed his 1,000 game for the Rays on Saturday. He joined Mike Scioscia (Angels), Ron Gardenhire (Twins) and Charlie Manuel (Phillies) as the only skippers with at least 1,000 games with their current teams.
The A's have allowed 41 runs in their last seven games after yielding just 25 runs over the previous 10 contests.