Jered Weaver losing velocity as career-high workload piles up

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Jered Weaver got himself back on track following a shaky stretch in which his ERA rose from 1.78 to 2.49 in five starts, tossing eight innings of one-run ball against the Yankees on September 9 and seven innings of one-run ball versus the A’s on Wednesday.

However, with Weaver just three innings away from tying his career-high workload Mark Saxon of ESPN Los Angeles notes that the right-hander’s velocity is down compared to early in the season.

Here are Weaver’s average fastball velocities by month from Fan Graphs:

April: 90.3 mph
May: 89.7 mph
June: 88.7 mph
July: 89.1 mph
August: 88.7 mph
September: 87.9 mph

Weaver has never been the type of pitcher to blow away hitters with fastball velocity, but he certainly seems to be wearing down somewhat. Not coincidentally his ERA has jumped from 1.86 in the first half to 3.33 in the second half and his strikeout-to-walk ratio has declined from 3.8 to 2.8.

And with the possibility of Weaver starting on short rest Sunday the Angels have to wonder how much he’ll have left in the tank if they somehow make the playoffs.

Yu Darvish lands on 10-day disabled list again with triceps tendinitis

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Bad news for the Cubs’ Yu Darvish: The right-hander is headed back to the disabled list with right triceps tendinitis, the team announced Saturday. It’s the second such assignment for Darvish this season, but the first time he’s been sidelined with arm issues. Neither the severity of his injury nor a concrete timeframe for his recovery has been revealed yet, but the move is retroactive to May 23 and will allow him to come off the DL by June 2, assuming all goes well.

Prior to the injury, Darvish went 1-3 in eight starts with a 4.95 ERA, 4.7 BB/9 and 11.0 SO/9 through 40 innings. Needless to say, these aren’t the kind of results the Cubs were hoping to see after inking the righty to a six-year, $126 million contract back in February, though the circumstances affecting his performances appear to have largely been out of his control. He missed a start in early May after coming down with the flu and has struggled to pitch beyond the fifth inning in five of his eight starts to date.

The Cubs recalled left-hander Randy Rosario from Triple-A Iowa in a corresponding move. Rosario has yet to amass more than five career innings in the majors, but has impressed at Triple-A so far this year: he maintained an 0.97 ERA, 2.8 BB/9 and 6.1 SO/9 through 19 1/3 innings in 2018. As for Darvish’s next scheduled turn in the rotation, Tyler Chatwood is lined up to take the mound when the Cubs face off against the Giants in the series finale on Sunday. A starter for Monday night’s game has yet to be determined.