Each week, FantasyPros publishes a fantasy baseball trade chart. The chart contains player values designed to help you assess the overall weight of both sides of a trade.

The weekly trade charts also keep track of the changes in a player’s value from the previous week. But sometimes, the reasons for a change aren’t obvious. “Why is player X gaining three points in value this week when player Y, who had an even better week, remained the same?”

Good question, reader. There are many answers as to why any given player moves in value from one week to the next. And in this article, we’ll examine some of the biggest risers and fallers each week, and explain the movement.

Here are some of the most notable risers and fallers in the FantasyPros Week 14 Trade Value Chart:

Risers

Max Scherzer (SP – NYM). Week 14 Value: 33. Previous Value: 24. Change: +9

Moving Scherzer back into the upper echelon of starters isn’t huge news. After all, he was elite for much of the season, then he went down with an injury, and now that he’s back, shouldn’t he go right back to where he was valued previously?

Well, yeah. Pretty much. Scherzer’s value remained in check to start because he spoke openly about not wanting to push it yet. About knowing his body. About not “grunting” (aka, giving maximum effort).

But, even if this is a restrained Scherzer, it’s glorious. 13 innings, 20 strikeouts, one run allowed in two starts since returning from the IL. His fastball velocity in those starts has been 94.6 MPH and 95 MPH, the highest marks he has hit all season.

He’s back to being one of the best of the best. No questions asked.

Clay Holmes (RP – NYY). Week 14 Value: 14. Previous Value: 8. Change: +6

Note: The trade chart is published on Monday and this article is drafted prior to Tuesday’s games. Holmes had a disastrous outing on Tuesday against the Reds which may have affected this writeup, but he remains a riser.

Holmes’s numbers on the year more than justified a strong trade value. Entering Tuesday’s action, he had a 0.46 ERA, a 0.74 WHIP, and a 27% strikeout rate. He also had 16 saves. Just silly numbers.

The issue was always the impending return of Aroldis Chapman. Aaron Boone is a smart manager, and being able to deploy Holmes in the highest-leverage situation was always going to be his best bet. Especially considering Chapman has basically owned the ninth inning for his whole career.

But Chapman has pitched in four games since returning from the IL. He’s given up three runs, struck out three, and walked five in three innings in that span. He’s not anywhere close to being someone you can trust in the ninth inning.

The strong odds are that Holmes is going to have the closer’s role for the remainder of the season so long as he avoids a sustained period of ineffectiveness. For that reason, he bumps up significantly in value. Should Boone come out and actually declare him the closer, he’s move up another seven spots or more in value.

Fallers

Josh Hader (RP – MIL). Week 14 Value: 22. Previous Value: 26. Change: -4

Hader is probably just going through a lull at the moment. Heading into Tuesday’s action, he had allowed an earned run in three straight games. Before that, he had allowed three earned runs combined all season.

There’s nothing overtly wrong with Hader at the moment. His velocity is down a tick, but it’s not at the lowest it’s been all season. He’s been walking a few batters but his zone percentage isn’t particularly out of whack.

He’s just . . . not a machine. He’s a man. And so needs to be valued around the other top closers, like Edwin Diaz.

Michael Kopech (SP – CWS). Week 14 Value: 5. Previous Value: 9. Change: -4

Kopech’s season numbers (3.35 ERA, 1.14 WHIP, 22.6% strikeout rate) are hardly worthy of being a mere five in trade value. But he’s been a different player since hurting his knee against the Rangers.

Kopech has made five starts since then. In 26 1/3 innings pitched over that span, he has allowed 18 runs, walked 14, and struck out 21. His fastball velocity is down. Everything looks off.

Maybe Kopech turns it around. Or maybe he’s pitching through a knee injury that has robbed him of his effectiveness. Either way, you shouldn’t be paying to find out.

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Dan Harris is a featured writer for FantasyPros. For more from Dan, check out his archive or follow him on Twitter @danharris80.