The Atlanta Braves get an awaited reinforcement to the starting rotation. The team announced Sunday morning that they have activated Spencer Strider from the injured list. Relief pitcher Hunter Stratton has been optioned to Triple-A to clear a space on the active roster.  Strider has been scheduled to start Sunday’s series finale out in Denver against the Colorado Rockies. Manager Walt Weiss said this was the target date earlier this week if all went to plan. Nothing appears to have gotten in the way, and everything is a go. Stratton pitched a scoreless inning for the Braves Saturday night. He allowed a base hit and picked up a strikeout. Since he's a pitcher with options, he was the easiest to send down. The Braves recalled him and Anthony Molina on Friday to aid the staff in Colorado. Both have since been optioned. All updates haven't been positive for the Braves on Sunday. While they got Strider back, they placed Ronald Acuña Jr. on the injured list with a strained left hamstring.…