Red Sox place James Paxton on IL with strained calf, suspend Jarren Duran and reinstate Brayan Bello

BOSTON (AP) — The Red Sox placed left-hander James Paxton on the 15-day injured list Monday with a strained right calf, a day after he limped off the field in the first inning following a quick move trying to cover first base.

“MRI this morning, they got the results,” manager Alex Cora said before Boston faced Texas in the opener of a three-game series. “He’s in pain. We’ll see what happens.”

The 35-year-old Paxton turned quickly and was heading off the mound on Yordan Alvarez’s grounder to first baseman Dominic Smith. He looked back at the mound briefly, then went down to one knee and struggled to put weight on the leg when he got up.

“I felt like I got kicked in the calf. Then, I kind of turned around, took another step and I felt it again,” Paxton said after the Astros beat the Red Sox 10-2. “I was like: ‘It’s not good. It’s my calf.’ I felt it pop.”

Along with Paxton going on the IL, the Red Sox made a handful of other moves.

Monday’s starter Brayan Bello was reinstated from the paternity list, and they recalled lefty Bailey Horn from Triple-A Worcester.

Boston suspended outfielder Jarren Duran for two days without pay after he shouted a homophobic slur at a fan behind home plate who heckled him during the loss to Houston on Sunday.

They also selected right-hander Chase Shugart and catcher/infielder Mickey Gasper from Worcester.

In addition, they sent pitchers Brennan Bernardino and Brad Keller to Worcester and designated Jamie Westbrook for assignment.

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NEW YORK (AP) — The U.S. stock market buckled Thursday, and a level of shock unseen in years tore through financial markets worldwide on worries about the damage President Donald Trump 's newest set of tariffs could do to economies across continents, including his own.

The S&P 500 was down 4.2% in late trading, more than in major markets across Asia and Europe. It's heading toward its worst day in more than two years, and it's close to its worst since COVID shattered the economy in 2020. The Dow Jones Industrial Average was down 1,426 points, or 3.4%, with an hour remaining in trading, and the Nasdaq composite was 5.2% lower.

Little was spared in financial markets as fear flared about the potentially toxic mix of weakening economic growth and higher inflation that tariffs can create.

Everything from crude oil to Big Tech stocks to the value of the U.S. dollar against other currencies fell. Even gold, which has hit records recently as investors sought something safer to own, pulled lower. Some of the worst hits walloped smaller U.S. companies, and the Russell 2000 index of smaller stocks dropped 5.9% to pull more than 20% below its record.

Investors worldwide knew Trump was going to announce a sweeping set of tariffs late Wednesday, and fears surrounding it had already pulled Wall Street's main measure of health, the S&P 500 index, 10% below its all-time high. But Trump still managed to surprise them with “the worst case scenario for tariffs,” according to Mary Ann Bartels, chief investment officer at Sanctuary Wealth.

Trump announced a minimum tariff of 10% on imports, with the tax rate running much higher on products from certain countries like China and those from the European Union. It’s “plausible” the tariffs altogether, which would rival levels unseen in roughly a century, could knock down U.S. economic growth by 2 percentage points this year and raise inflation close to 5%, according to UBS.

Such a hit would be so big that it “makes one’s rational mind regard the possibility of them sticking as low,” according to Bhanu Baweja and other strategists at UBS.

Wall Street had long assumed Trump would use tariffs merely as a tool for negotiations with other countries, rather than as a long-term policy. But Wednesday’s announcement may suggest Trump sees tariffs more as helping to solve an ideological goal than as an opening bet in a poker game. Trump on Wednesday talked about wresting manufacturing jobs back to the United States, a process that could take years.

If Trump follows through on his tariffs, stock prices may need to fall much more than 10% from their all-time high in order to reflect the recession that could follow, along with the hit to profits that U.S. companies could take. The S&P 500 is now down roughly 11% from its record set in February.

“Markets may actually be underreacting, especially if these rates turn out to be final, given the potential knock-on effects to global consumption and trade,” said Sean Sun, portfolio manager at Thornburg Investment Management, though he sees Trump’s announcement on Wednesday as more of an opening move than an endpoint for policy.

Trump offered an upbeat reaction on Thursday after he was asked about the stock market drop as he left the White House to fly to his Florida golf club. “I think it’s going very well,” he said. “We have an operation, like when a patient gets operated on and it’s a big thing. I said this would exactly be the way it is."

One wild card is that the Federal Reserve could cut interest rates in order to support the economy. That’s what it had been doing late last year before pausing in 2025. Lower interest rates help by making it easier for U.S. companies and households to borrow and spend.

Yields on Treasurys tumbled in part on rising expectations for coming cuts to rates, along with general fear about the health of the U.S. economy. The yield on the 10-year Treasury fell to 4.05% from 4.20% late Wednesday and from roughly 4.80% in January. That’s a huge move for the bond market.

The Fed may have less freedom to move than it would like, though. While lower rates can goose the economy, they can also push upward on inflation. And worries are already worsening about that because of tariffs, with U.S. households in particular bracing for sharp increases in their bills.

The U.S. economy at the moment is still growing, of course. A report on Thursday said fewer U.S. workers applied for unemployment benefits last week. Economist had been expecting to see an uptick in joblessness, and a relatively solid job market has been the linchpin keeping the economy out of recession.

A separate report said activity for U.S. transportation, finance and other businesses in the services industry grew last month. But the growth was weaker than expected, and businesses gave a mixed picture of how they see conditions.

One business told the survey by the Institute for Supply Management that its restaurant sales and traffic have improved, for example. But another said tariffs on wood imported from Canada and the “resulting delays have caused havoc with the supply chain and deliveries.” A third in the construction industry said it's “starting to see effect of aluminum tariff. These costs will be passed on to customers.”

Worries about a potentially stagnating economy and high inflation knocked down all kinds of stocks, leading to drops for three out of every four that make up the S&P 500.

Best Buy fell 17.1% because the electronics that it sells are made all over the world. United Airlines lost 14% because customers worried about the global economy may not fly as much for business or feel comfortable enough to take vacations. Target tumbled 10.8% amid worries that its customers, already squeezed by still-high inflation, may be under even more stress.

In stock markets abroad, indexes fell sharply worldwide. France’s CAC 40 dropped 3.3%, and Germany’s DAX lost 3% in Europe.

Japan’s Nikkei 225 sank 2.8%, Hong Kong’s Hang Seng lost 1.5% and South Korea’s Kospi dropped 0.8%.

AP Business Writers Matt Ott and Elaine Kurtenbach contributed.