San Diego Padres pitching prospectsRyan Weathers and Joey Cantillo will likely be alternate-site starters once the season starts. The teams No. 9 and 10 prospects, respectively, had little shot of making the big league roster but will stay sharp while tuning up Padres hitters waiting for call-ups. Weathers, 20, posted a 3.84 ERA in 22 starts last season in Single-A with a diverse arsenal ideal for a mid-rotation starter. Cantillo impressed with a 2.26 ERA in 22 starts across Single- and High-A ...