Houston Chronicle "The Astros activated RHP Luke Gregerson from the Family Medical Emergency List, the team announced." May 12
Hardball Talk "Jose de Jesus Ortiz of the Houston Chronicle reports that the Astros have placed closer Luke Gregerson on the family emergency medical list. To take his place on the roster, the Astros promoted Asher Wojciechowski from Triple-A Fresno. Chad Qualls will serve as the Astros’ interim closer." May 08
The Crawfish Boxes "The closer carousel stops on Gregerson for the Astros. The Astros signed Luke Gregerson and Pat Neshek to improve a bullpen that had a league-worst 4.80 ERA. The Astros announced today that Gregerson will enter the 2015 season as the Astros closer - as reported by MLB.com's Brian..." March 31
Source: Luke Gregerson going to A's for Seth Smith. 1-for-1 deal.
One more to watch on deadline day: #Padres more likely to deal Thatcher than Gregerson. Saying no to all deals for any of their OFs
Pirates and Red Sox two of the teams sniffing on Padres reliever Luke Gregerson.
Padres are listening on Gregerson/Thatcher interest but they'd have to be inspired by an offer to move either guy.
CBSSports.com "Teams involved in the trade market for relievers say Padres right-hander Luke Gregerson may be the best available remaining reliever and could be the next one traded. The number of teams looking for bullpen help has shrunk slightly with the Phillies no longer in buy mode. The number of..." July 28
#padres getting a lot of hits on Luke Gregerson more than on Huston Street. 1 of best set-up men in game.