Even if the Mets' Jacob deGrom and Noah Syndergaard stay put, the next few weeks aren't likely to be lacking in trades for starting pitchers.
MLB Network insider Jon Heyman broke down the starter market for Fancred Sports on Thursday, looking at 29 pitchers whose names have been floated in trade rumors. Below are the 10 hurlers Heyman says have a greater than 50 percent chance of being traded, ordered from most to least likely.
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J.A. Happ, LHP, Blue Jays
Contract status: Free agent this offseason
Happ has struggled in July, allowing 18 runs (13 earned) in 12 innings, but he owns a 3.58 ERA since the outset of 2015 and is a proven commodity in the challenging American League East. The Blue Jays will be motivated to move the left-hander, who is 35 years old and an impending free agent. The Yankees have long been linked to Happ, and Heyman mentions the Mariners and Cubs as other potential destinations.
Cole Hamels, LHP, Rangers
Contract status: $20 million team option with $6 million buyout for 2019
Hamels has surrendered 21 home runs in 103 frames (1.8 HR/9) this season, and, as Heyman notes, the left-hander may want his 2019 team option ($20 million) picked up to approve a deal to one of the 20 clubs on his no-trade list. But with big-game experience and a 9.3 K/9 rate in 2018, Hamels should still be a sought-after option. A reunion with the Phillies could make sense, and Hamels is on the Yankees' list, though New York is believed to prefer Happ. If they decide to buy, the red-hot A's are another club that could chase Hamels, and the Mariners have reportedly discussed the southpaw with the Rangers as well.

Tyson Ross, RHP, Padres
Contract status: Free agent this offseason
Ross started off July by yielding 15 runs in seven innings, but he returned to form by tossing 6 1/3 innings of two-run ball vs. the Dodgers on Thursday. The right-hander has actually performed better on the road (4.16 ERA, 9.3 K/9 rate) than he has in San Diego (4.53 ERA, 6.3 K/9 rate) this season, so he's not just a product of Petco Park.
Matt Harvey, RHP, Reds
Contract status: Free agent this offseason
Harvey has rejuvenated his career since joining Cincinnati on May 8 in a trade, recording a 3.79 ERA with a 1.16 WHIP in 11 starts while flashing improved velocity. But considering he's 29 years old, has an extensive injury history and is due to become a free agent after this season, the rebuilding Reds are likely to move him.
Lance Lynn, RHP, Twins
Contract status: Free agent this offseason
Lynn owns a 5.22 ERA this season, but he has notched a 3.67 ERA over his past 10 starts, which more closely resembles his lifetime 3.54 mark. Furthermore, the righty has recorded a 3.7 BB/9 rate in that span after posting a 7.0 BB/9 in his first eight outings. The Brewers have talked to the Twins about infielders James Dozier and Eduardo Escobar, per MLB.com's Jon Paul Morosi, but they also need a starter and were known to be interested in Lynn this past offseason. Lynn is familiar with the NL Central, having pitched for the Cardinals from 2011-17.
Marco Estrada, RHP, Blue Jays
Contract status: Free agent this offseason
Although Estrada is sidelined by a mild glute strain, he should get in a couple showcase starts before July 31. The right-hander was pitching well before his injury, recording a 2.35 ERA in June, and his fly-ball-heavy profile could make him a fit with a club that has a pitcher-friendly home park, such as the A's or the Mariners.

Nathan Eovaldi, RHP, Rays
Contract status: Free agent this offseason
Eovaldi's stock has soared since the right-hander returned after missing all of 2017 while recovering from Tommy John surgery. The hard-throwing 28-year-old has recorded a 44-to-6 K/BB ratio in 48 1/3 innings, posting a 3.35 ERA with a 0.81 WHIP in that span. His contract is just $2 million for this season, so he could be in play for any contender in need of a starter.
Francisco Liriano, LHP, Tigers
Contract status: Free agent this offseason
Liriano continues to shut down lefties (.406 OPS allowed to LHB this season, .840 vs. RHB), so he could draw interest as a reliever for the second straight year. The Astros acquired the veteran southpaw last July and added him to their bullpen after he had made 18 starts for the Blue Jays.
James Shields, RHP, White Sox
Contract status: $16 million team option with $2 million buyout for 2019
Before allowing eight runs in 5 2/3 innings against the Astros on July 7, Shields had recorded a 3.15 ERA in his previous 10 starts. The Padres are paying $11 million of the $21 million Shields is owed this season, so his contract shouldn't be a major concern.

Zack Wheeler, RHP, Mets
Contract status: Under control through 2019
With the lofty price tag attached to deGrom and Syndergaard, Wheeler has been drawing interest as a lower-cost alternative. While his 4.42 ERA is unremarkable, the righty has a 3.71 FIP on the year and a 3.44 ERA since the outset of June, averaging 96.4 mph with his four-seam fastball in that span after averaging 94.8 mph in his first nine starts. The Yankees have reportedly discussed Wheeler with the Mets, though a trade between the crosstown rivals remains unlikely. Wheeler could also be an option for the Brewers or the Braves.