Daily Red Sox Links: Yoenis Cespedes, Daniel Nava, Rusney Castillo

How much room for improvement is there for Yoenis Cespedes? (Rob Bradford; WEEI.com)

Chad Finn has a fantastic piece of the wonder that is Adrian Beltre. (Chad Finn; Boston.com)

Can Daniel Nava play like it's 2013 again? (Patrick Mallon; Fire Brand of the AL)

In this rough season, Brock Holt has stepped up to become a rare bright spot. (Gordon Edes; ESPN Boston)

Rusney Castillo is getting closer to playing in Boston, starting his time with the Red Sox organization in the GCL. (Jason Mastrodonato; Masslive.com)

Christian Vazquez has played a lot of games as of late, but John Farrell isn't worried about the workload. (Tim Britton; Providence Journal)

Red Sox pitching coach Juan Nieves has had a lot of adapting to do this season. (John Tomase; Boston Herald)

Boston continued to add to its organizational depth with a trade over the weekend. (Will Woodward; Sox Prospects)