Susan Slusser of the San Francisco Chronicle reports that the A's are considering signing Hideki Okajima.
The Giants are aiming to activate Marco Scutaro (back) from the disabled list on Friday.
Paul Goldschmidt smacked a walkoff two-run double in Wednesday's 4-3 victory over the Marlins.
Derek Holland (knee) is scheduled to begin a rehab assignment after the All-Star break.
Troy Tulowitzki homered twice in the Rockies' 6-3 defeat of the Padres on Wednesday afternoon.
Royals head trainer Nick Kenney said the team is prepared to be without Jason Vargas for three to four weeks.
Carlos Beltran was scratched from the Yankees' starting lineup Wednesday with an eye injury.
Francisco Liriano (oblique) will return to the Pirates' starting rotation Sunday against the Reds.
Pirates placed OF Starling Marte on the bereavement list.
Yankees placed RHP Masahiro Tanaka on the 15-day disabled list with right elbow inflammation.
Jason Castro (arm) is out of the Astros' starting lineup again on Wednesday versus the Rangers.
Mariners optioned RHP Taijuan Walker to Triple-A Tacoma.