Cubs claim Cardinals right-handed reliever off waivers

The Cubs have claimed Cardinals right-handed reliever Shawn Armstrong off waivers, ESPN’s Jeff Passan reported on Friday. The Cardinals recently designated Armstrong, 33, for assignment. They traded outfielder Dylan Carlson to the Rays in exchange for Armstrong at the previous MLB trade deadline. Now, he’ll enter a Cubs bullpen that ranks eighth in bullpen ERA across the league (3.73 ERA)....