What happened: The Cardinals recalled infielder César Prieto from Triple-A Memphis. JJ Wetherholt was placed on the 10-day injured list with right wrist tendinitis.
Why it matters: Wetherholt entered the move with a 4.9 bWAR and a 22 fielding run value this season, numbers that had put him in the NL Rookie of the Year conversation. Prieto's recall fills the roster spot Wetherholt's IL stint opens up.
By the numbers: Wetherholt has posted a 4.9 bWAR and a 22 fielding run value this season.
What to watch: Watch for further word on Wetherholt's wrist and how much time Prieto sees in the infield while he's out.