"He's an aggressive hitter," Jenkins said of Baez. "That's what baseball's all about. You can't be passive in the game of baseball."
Baez, 22, will be heading into presumably his first full season with the Cubs, while Rizzo, 25, is set to enter his fourth year in Chicago after an All-Star campaign in 2014.
Joey Nowak is a reporter for MLB.com. Follow him on Twitter at @joeynowak. This story was not subject to the approval of Major League Baseball or its clubs.