Cardinals acquired LHP Eduardo Rivera from the Red Sox for minor league RHP Juan García.

Rivera was designated for assignment on Monday so the Red Sox could get down to their 40-man roster limit, but instead of being a free agent, he will head to the Cardinals. It makes some sense since Chaim Bloom used to be the chief baseball officer in Boston and still has connections to personnel there. Rivera is a 23-year-old with a big fastball, but he will now be on his third organization and has yet to establish consistent production. It’s not a bad gamble for the Cardinals to take. Garcia is an 18-year-old right-hander who pitched to a 4.40 ERA, 1.28 WHIP, and 39/10 K/BB ratio in 43 innings in the Dominican Summer League this year.