Taijuan Walker's fantasy impact in 2014

UPDATE: Much as we expected, Taijuan Walker finished his first stint in the Major Leagues in a strong fashion, limiting Houston to 2 earned runs in 5 innings while striking out a career-high 8 Astros in the process. Here's ESPN.com senior writer Eric Karabell with more below explaining the type of fantasy value the Mariners' prized young right-hander will have in 2014.