Rival teams told CBSSports.com Baseball Insider Jon Heyman the Rangers should not trade prospects Jorge Alfaro and Nomar Mazara to acquire Phillies starting pitcher Cole Hamels. Some sources indicated that is too much for the Phillies ace.

Alfaro is considered a top-100 prospect by MLB.com (No. 45) and Baseball America (No. 67). He is batting .328 with one home run, six doubles and six RBI in 16 games at Double-A this season. He has a career .264/.328/.433/.761 slash line.

Mazara is also a top-100 prospect for MLB.com (No. 54) and Baseball America (No. 87). He is batting .323 with one double and seven RBI in 17 games at Double-A. He has a .259/.347/.430/.777 slash line in his career.