Thatcher was not included on the Angels' ALDS roster, Mike DiGiovanna of the Los Angeles Times reports. A trade acquisition from the Diamondbacks in early July, Thatcher went on to post an 8.53 ERA and 2.21 WHIP in 16 appearances (6.1 innings) with the Angels. He had a 2.63 ERA and 1.08 WHIP in 37 appearances (24 innings) prior to being dealt. Vinnie Pestano was chosen to fill the final bullpen spot.