Sources -- Rays calling up top prospect Junior Caminero - ESPN

The Tampa Bay Rays are calling up top infield prospect Junior Caminero, bolstering their roster for a stretch run that will cap one of the best seasons in franchise history, sources told ESPN on Thursday.

Caminero, who turned 20 in July, will make the jump from Double-A, where he ascended after 36 dominant games this season at High-A. Between the stops, Caminero is hitting .324/.384/.591 with 31 home runs and 94 RBIs in 117 games.

Caminero is the No. 5 prospect on ESPN insider Kiley McDaniel's midseason top 50.

A shortstop and third baseman, Caminero joins a Rays team that at 94-60 is 1½ games behind the Baltimore Orioles for the American League East lead.