Red Sox insider expects team will promote No. 10 prospect to support Aroldis Chapman, bullpen amid playoff push originally appeared on The Sporting News

The Boston Red Sox let a win slip away in the ninth inning Sunday, missing an opportunity to find some breathing room in a very tight playoff race.

The Boston Red Sox added pop at first base with the Nathaniel Lowe signing. Here's how Craig Breslow can keep improving the roster.

The Red Sox may see some relief help arriving soon in the form of Justin Slaten, who is ramping up after being out since June 1 with a shoulder/neck injury. He threw his third bullpen on Friday and is scheduled for a live batting practice session on Monday. If all goes well, his next step would be another live BP or a rehab assignment.

This time, it was Greg Weissert, whose second pitch of the inning was belted to right-center for an equalizing solo shot by Dane Myers. It was sweet redemption for Myers, who deflected a flyball by Wilyer Abreu into the bullpen for a two-run homer in the bottom of the fourth.

In actuality, the Red Sox lost Sunday’s game while they were winning on Saturday. The Red Sox carried a 7-2 lead into the ninth inning Saturday and tabbed Isaiah Campbell to get the last three outs.

Chapman retired the only batter he faced in the ninth inning to earn the save in Saturday's 7-5 win over the Marlins. Chapman was called upon after the Marlins plated three two-out runs in the ninth,