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

Red Sox closer Aroldis Chapman was unavailable Sunday after he pitched on back-to-back days. Manager Alex Cora instead used Greg Weissert.

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.

In the least surprising move of all time, the Boston Red Sox added veteran first baseman Nathaniel Lowe on Sunday night after he was DFA'd by the Washington Nat

Boston Red Sox reliever Aroldis Chapman is doing things that, frankly, have hardly ever been done before. As a rookie throwing unheard-of levels of velocity with his fastball, one would have predicted he’d have a short career doing so before transitioning to either a post-playing career or a pitch arsenal focused on break over velocity.

Aroldis Chapman is a very important part of the Red Sox roster. That’s particularly true this week as his trade market is no-doubt red hot, even if the Sox are unlikely to sell (or at least they better be).

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,