BOSTON - Nathan Eovaldi continues to frustrate Yankees fans, but there have been signs of progress.

Eovaldi lifted his record to 9-2 but lasted only five innings in Sunday's 8-6 win over the Red Sox, not the first time he's struggled to provide distance. He threw 102 pitches, 72 for strikes.

Eovaldi, who allowed all three of his runs and five of his seven hits in the third, did retire the last eight batters he faced. He is 4-0 with a 2.93 ERA in his last five starts.

"Being able to bounce back is huge," he said. "I felt like I had a lot of first-pitch strikes and I was attacking well. It's been an up-and-down first half, but it's been good for the most part. I've really developed my split."

Setting the rotation

Masahiro Tanaka will start against the Mariners on Friday at the Stadium and will be followed by Michael Pineda, CC Sabathia, Eovaldi and Ivan Nova.

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"You try to get everyone almost equal rest as we move into the second half," Joe Girardi said. "Seattle has a good number of lefthanded hitters so [we put Sabathia] there. And everyone gets about eight days [rest]."

Girardi said Sabathia (4-8, 5.47 ERA) is important to the club's prospects. "The ability is there, we know that," he said. "I have confidence in him. We need him to pitch well. We need all of the guys to carry their equal load, all five starters. You can't rely on one or two and expect to be in the playoffs."

Warren struggling

Adam Warren started the sixth with a 6-3 lead but allowed two hits and a run, recording only one out. Since being moved to the bullpen, he has allowed a run in three of six appearances.