Astros: Activated OF Matt Mieske from 15-day DL.
Devil Rays: Optioned P Dan Wheeler to Triple-A Durham. Recalled P Cory Lidle from Durham.
Mariners: Activated C Tom Lampkin from 15-day DL. Placed IF Carlos Guillen on 15-day DL.
Marlins: Designated C Sandy Martinez for assignment.
Padres: Sent P Dan Serafini outright to Triple-A Las Vegas. Recalled P Kevin Walker from Las Vegas.
Aberdeen Arsenal (Independent): Signed 1B Theodore Lewis, C Liam Healy, OF Gil Martinez and P Jim Klemyk.
Butler: Named John Groce men's assistant basketball coach.
Cal Poly: Named Jeff Brown and Rock Clark assistant football coaches.
College of Charleston: Announced resignation of women's assistant basketball coach Keri Hamsher.
Felician: Named Darryl Jacobs men's basketball coach.
Indiana, Pa.: Named Eric Bell women's soccer coach.
Iowa: Named Wendy Logan women's soccer coach.
Maryland: Announced that Sarah Jenkins, a 5-7 guard from Riverdale Baptist, has signed a national letter of intent. Jenkins averaged 13.9 points, six rebounds, four steals and three assists last season as Riverdale Baptist compiled a 26-1 record.
Pennsylvania: Named Michael Schnur swimming coach.
Robert Morris: Named Danny Nee men's basketball coach.
St. Peter's: Named Bill Donlon and Seldon Jefferson men's assistant basketball coaches.
Salve Regina: Named Kristen Gangemi field hockey coach.
Stonehill: Named Scott Harlow men's hockey coach.
Tusculum: Named Suzanne McBride women's basketball coach.
Raiders: Signed DL Shawn Lee.
Redskins: Signed LB Reggie Givens to one-year contract.
Lightning: Signed D Michael Jones.