Joe Kelly threw a football to improve his curveball

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Joe Kelly has impressed onlookers in Cardinals camp with his improved curveball and Derrick Goold of the St. Louis Post Dispatch writes that the right-hander credits throwing a football during the offseason for the change:

Kelly said by throwing the football he was able to find an arm slot that he could consistently use and a shorter arm swing that adds to his deception. He was able to condition his hand’s release for better control. He shifted his usual grip on the curve to meet the new arm slot.The righty acknowledged that he worried about “losing velocity” by making the change. But he hasn’t.

Kelly stepped into the Cardinals’ rotation down the stretch last season and was fantastic, going 9-2 with a 2.09 ERA, but St. Louis’ impressive starting pitching depth means he’s not even guaranteed to be a starter this season. Goold notes that Kelly is one of seven starters competing for four openings behind Adam Wainwright, so that’s where the improved curveball could factor in.

And, really, Sam Bradford’s gripon the Rams’ starting job can’t be that secure anyway.

Marcus Stroman dealing with blister again

Marcus Stroman
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Blue Jays right-hander Marcus Stroman might be headed to the disabled list soon, manager John Gibbons told reporters following Friday’s rain-shortened loss to the Yankees. The righty lasted just four innings on the mound before calling it a night, and gave up five runs, six hits and two walks in a performance that Gibbons claimed was at least partially affected by recurring blister issues on his right middle finger. Now, it looks like he might be removed from the rotation for some much-needed rest and rehabilitation; if so, it’ll be his second such stint this year.

Stroman, 27, has struggled to return the kind of winning record and sub-4.00 ERA that characterized his previous seasons with the club, mostly due to the combined seven weeks he missed with blisters on his throwing hand and chronic fatigue in his right shoulder. In a recent start against the Rays, things got even more gruesome when his blister appeared to start bleeding in the middle of his outing and MLB.com’s Gregor Chisholm notes that the wound has constantly interfered with the right-hander’s pitch selection and delivery. When healthy, Stroman has managed a 4-8 record through 18 starts in 2018 with a career-worst 5.27 ERA, 3.2 BB/9 and 6.8 SO/9 in 100 2/3 innings. This will be the first year since 2015 in which he has not logged at least 200 innings in a single season.

While Stroman may not need an extended stay on the DL before he returns to the mound, it’s not clear what kind of timetable the Blue Jays expect for his recovery. He’s been the second-most valuable starter (behind the now-traded J.A. Happ) in a rotation that currently ranks 17th in the majors with a combined 4.90 ERA and 6.8 fWAR.