San Francisco 49ers wide receiver A.J. Jenkins, center, fumbles the ball as Denver Broncos safety Duke Ihenacho, left, makes a tackle and Broncos defensive end Robert Ayers (91) looks on during the second quarter of an NFL preseason football game on Thursday, Aug. 8, 2013, in San Francisco. (AP Photo/Marcio Jose Sanchez)

Chiefs trade Baldwin to 49ers

The Chiefs get 49ers wide receiver A. J. Jenkins in a trade of disappointing first-round selections.

Kansas City Royals second baseman Elliot Johnson (23) deflects a ball hit by Detroit Tigers' Alex Avila during the fifth inning of a baseball game at Kauffman Stadium in Kansas City, Mo., Saturday, July 20, 2013. Two runs scored on the play. (AP Photo/Orlin Wagner)

Royals drop Johnson

The Kansas City Royals designated infielder Elliot Johnson for assignment to add infielder Emilio Bonifacio to the roster.