Source: Tyler Thornburg refuses assignment to minors, trending towards being released

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A day after being recalled from his rehab assignment, it appears the Tyler Thornburg era is over.

According to a source, Thornburg has refused an a assignment to minors and it's now trending toward him being released by Red Sox.

Thornburg has been in the minors since June 9 rehabbing a right hip impingement and has a 12.66 ERA over 12 appearances.

The reliever was acquired in a trade with the Brewers in Dec. of 2016 in exchange for Travis Shaw, Mauricio Dubon, Josh Pennington, and a player to be named later (which ended up being Yeison Coca).