The Red Sox brought up one of their top prospects Sunday, promoting first baseman Triston Casas for the series finale against the Texas Rangers at Fenway Park.

The 6-foot-4, 22-year-old has played 284 games in the minors, batting .269 with 46 homers and 181 RBIs. He was called up from Triple-A Worcester.

"He's going to play almost every day," Boston manager Alex Cora said. "We'll get to know him on a daily basis and see what he's all about. Obviously, the player we like."

The left-handed hitting Casas will play first and bat sixth.

"From everything I hear, the situation will call to do something, and he'll do it," Cora said. "He'll put the ball in play with a runner on third and less than two outs with how much power he has. I'm excited he's here."

To make room on the roster, the club demoted struggling right-handed hitter Bobby Dalbec, 27, to Worcester.

"It was difficult because he hasn't stopped working, understanding his situation," Cora said. "There's a lot of guys, they'll check out."

Dalbec is batting .211 with 11 homers and 36 RBIs.

"We talked to him: 'Go down there and dominate and play,''' Cora said. "He's going to get consistent at-bats."

The Red Sox enter Sunday clinging to slim hopes of getting back into the AL's wild-card chase, trailing the third and final spot by 7 1/2 games with three teams in front of them.

Boston also recalled right-hander Josh Winckowski, Sunday's scheduled starting pitcher, from Worcester and placed righty Kutter Crawford on the 15-day injured list with a right shoulder impingement.

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