From rookies like Fernando Mendoza to experienced former starters, here are the players one rep away from being QB1.

Singer (2-6) took the loss against the Cardinals on Friday, allowing four runs (one earned) on four hits and three walks with six strikeouts over four innings.

Weathers (2-4) took the loss against Boston on Friday, allowing five runs on seven hits and one walk while striking out four across six innings.

Organized team activities continue this week as more teams get underway. No live contact is permitted, but teams can conduct 7-on-7, 9-on-9 or 11-on-11 live drills. OTAs lead into mandatory minicamp, ...