Vladimir Guerrero Jr. not a major leaguer, still needs to develop, says Jays' GM Unknown 00:09 Ross Atkins is working hard to justify keeping one of the top prospects in baseball in the minor leagues. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsGalaxy's Dos Santos needs hernia surgery, out for tourneyWhy You Should Be Excited UConn is back in the Big EastVillarreal move closer to Champions League spot in SpainFormer West Indies cricketer Everton Weekes dies aged 95.Bobsled, skeleton still planning for full World Cup seasonAtlanta United signs free-agent midfielder Damm from Mexico