"The Seattle Mariners and San Francisco Giants have emerged as front-runners for St. Louis Cardinals infielder Brendan Donovan, sources familiar with negotiations tell The Athletic," Woo writes, "with the Cardinals looking to land multiple top prospects in return."

Late last week, Katie Woo of The Athletic reported that the Seattle Mariners and San Francisco Giants were the two front-runners to acquire Donovan. But a third possibility remains, according to Woo's counterpart at the publication, Ken Rosenthal. If you like our content, choose Sports Illustrated as a preferred source on Google.