The Tigers re-signed Jacob Waguespack and made two pitching option decisions; the Cardinals acquired Eduardo Rivera from Boston.

These moves predate this update and were identified in a transaction backfill:

• On Nov. 2, Detroit signed Waguespack to a one-year major-league deal for 2027. The Detroit News reports $1.3 million plus up to $1.5 million in performance bonuses. Detroit also exercised Drew Anderson’s $10 million 2027 club option and declined Kenley Jansen’s $12 million option, with a $2 million buyout. Detroit News
• On Nov. 3, Boston traded left-hander Rivera to St. Louis for minor-league right-hander Juan García. MLB’s transaction records list the completed trade; MLB Trade Rumors reports that Boston announced it.
• In an earlier decision on Oct. 29, reliever Ryan Helsley exercised his $14 million 2027 player option to remain with Baltimore, according to BaltimoreBaseball.com.