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Arizona manager Torey Lovullo said after Tuesday's 14-1 win over the Cardinals that he expects Kelly (shoulder) to miss at least one month after landing on the 15-day injured list, Theo Mackie of The Arizona Republic reports. "We're not looking in terms of weeks as what we had hoped for," Lovullo said of Kelly's timetable for a return from a teres major strain in his right shoulder. "So I think the next step up is a month, more than that."

Advice: Kelly had rolled to a 2-0 record, 2.19 ERA and 0.93 WHIP over 24.2 innings through his first four starts of the season before he was scratched ahead of his most recent turn in the rotation this past Sunday against the Giants upon experiencing shoulder discomfort during a throwing session. He was sent in for two MRIs in recent days, and although both confirmed that Kelly had sustained a teres major strain, Lovullo noted that the Diamondbacks don't yet know if the strain if of the Grade 1, 2 or 3 variety. Lovullo added that Kelly will receive "a couple other opinions" on his injury before a firmer timeline and a treatment method is established, but the skipper said that the right-hander won't need surgery even while the "concern [level] is yet to be determined." In any case, Kelly's fantasy managers can probably feel comfortable ruling him out for all of May, and it could be difficult to justify stashing the 35-year-old if his timeline for a return ultimately gets pushed back further. Rotowire.com Today, 6:25 am

Isaac Paredes went 2-for-4 with a two-run home run in a loss to the Tigers on Tuesday.

Advice: In a rare occurrence, Paredes homered to left-center field instead of down the line in left field. The ball left the bat at 100.8 mph and traveled 384 feet. It was the 25-year-old’s sixth home run on the season to go along with 16 RBI. He’s been strong again to start the season, which he’ll need to continue to be since one of the best prospects in baseball, Junior Caminero, plays his position and is just one level away. Still, Paredes will continue to play if he keeps hitting, and there are no indications that last year’s breakout was a fluke. Rotoworld Yesterday, 7:01 pm

The Diamondbacks placed Kelly on the 15-day injured list Tuesday with a right shoulder strain.

Advice: Kelly was diagnosed with a teres major strain of his right shoulder following an MRI. He had been scheduled to start this past Sunday's series finale in San Francisco, but he was scratched after experiencing discomfort prior to the game. The Diamondbacks were initially hopeful the 35-year-old would avoid a stint on the IL, but that naturally went by the wayside with Tuesday's development. In a corresponding move, Tommy Henry was recalled from Triple-A Reno and should step into Kelly's spot in the rotation. Rotowire.com Yesterday, 3:16 pm

Astros manager Joe Espada told reporters Framber Valdez (elbow) could start this weekend in Mexico City.

Advice: Espada added that Valdez will throw a bullpen session this week while the Astros are in Chicago and could return this weekend to start against the Rockies in Mexico City. The 30-year-old southpaw landed on the injured list earlier this month with left elbow inflammation, but has been able to complete several recent bullpen sessions without any issues. It certainly sounds like he could return to bolster Houston’s injury-plagued starting rotation this weekend. Stay tuned. Rotoworld Yesterday, 2:49 pm