Blue Jays top prospect Ricky Tiedemann to undergo Tommy John surgery

(Photo credit: Jonathan Dyer-USA TODAY Sports)

Left-hander Ricky Tiedemann, who MLB Pipeline rates as the No. 1 prospect in the Blue Jays' organization, needs Tommy John surgery, Toronto manager John Schneider told reporters Saturday.

Tiedemann is set to undergo the procedure on Tuesday after meeting with Dr. Keith Meister and Dr. Neal ElAttrache. It is expected that Tiedemann will miss 12 to 14 months, meaning that his