Giants placed OF Angel Pagan on the 15-day disabled list, retroactive to May 28, with a strained right hamstring.
Adam Rubin of ESPNNewYork.com reports that the Mets are considering Chris Perez.
FOX Sports' Ken Rosenthal reports that the Diamondbacks are in on Shin-Soo Choo.
The Mets are pushing "very hard" to trade Daniel Murphy, according to Yahoo! Sports' Jeff Passan.
Bill Shaikin of the Los Angeles Times hears that the Angels are not willing to trade Mark Trumbo for Tyler Skaggs, "at least not straight up."
FOX Sports' Ken Rosenthal reports that the Shin-Soo Choo negotiations "appear to be reaching a critical stage."
Mark Prior told Mike Berardino of the St. Paul Pioneer Press Monday that he is "officially retired."
Mike Adams recently underwent surgery to repair a sports hernia.
ESPN's Jayson Stark reports that the Astros are interested in bringing back Jose Veras.
Rob Bradford of WEEI.com was told by Red Sox sources that there is "nothing to" reports of the club having interest in Matt Kemp.
FOX Sports' Ken Rosenthal reports that the chances of the Angels trading Mark Trumbo are "increasing."
CBS Sports' Jon Heyman reports that the Mets and Orioles are among "many teams" who have expressed interest in free agent left-hander Johan Santana.