Caleb Kilian and the Giants Bullpen: A Super Simple Guide for Fantasy Baseball Beginners

What’s Happening With the San Francisco Giants Bullpen?

In baseball, the bullpen is like a bench of relief pitchers (throwers who come in after the main starting pitcher gets tired). In fantasy baseball—a pretend game where you collect real players and earn points from their stats—one prized stat is the save. A save is like a gold star given to a reliever who finishes a game that his team is winning by a small margin.

The San Francisco Giants’ bullpen in 2026 is not the best place to hunt for these saves. But if you are really stuck and need one, there is a specific name to know: Caleb Kilian, a right-handed reliever (he throws with his right hand).

This became even more true after the team sent another right-handed reliever, Ryan Walker, back down to the minor leagues (a lower level of baseball) on Thursday before July 10, 2026.

Who Is Caleb Kilian?

Caleb Kilian is playing his first year with the Giants (the team in the Bay Area). He started his big-league career with the Chicago Cubs in 2022. Here are his season numbers so far, explained in kid-friendly terms:

• Win–Loss Record: 2 wins and 4 losses (games his team won or lost while he was pitching).
• ERA (Earned Run Average): 4.03 – if he pitched a full 9‑inning game, he’d let about 4 runs score because of his pitches (lower is better).
• FIP (Fielding Independent Pitching): 4.42 – like ERA but only counts things he fully controls, such as strikeouts and walks.
• WHIP (Walks + Hits Per Inning Pitched): 1.59 – on average, he lets about 1.59 batters reach base each inning.
• Saves: 8 total in his whole career, and all 8 happened this season.
• Strikeouts: 47 – batters he made miss the ball and get out.
• Walks: 17 – batters he accidentally threw bad pitches to, letting them go to first base.
• Innings Pitched: 38 innings (each inning is three outs, so he recorded 114 outs in relief).

Recent Performance: June vs. July

Kilian did not end June well. In just 1⅔ innings (that’s one inning plus two outs) against the Athletics and Atlanta Braves, he gave up 5 earned runs. That’s a lot of scoring in a short time.

But in his first three outings in July, he looked like a new player:

• He earned 2 saves.
• He got 6 strikeouts.
• He gave 0 walks.
• He pitched 3 full innings.

So he quickly bounced back from his rough late June.

Why He’s Hard to Trust (But Still the Guy to Use)

If we look at his entire career since 2022, Kilian has a 6.20 ERA over 65⅓ innings. That is not great—he has allowed many runs in the past. Because of that, it is tough to fully trust him.

[!IMPORTANT]
Key Point: Right now, Giants manager Tony Vitello uses Kilian as his “go‑to guy” in the 9th inning (the final part of the game). That makes Kilian the team’s closer—the one who collects saves. He also has a strong strikeout rate of 28.8% (he strikes out about 29 of every 100 batters he faces). Even better for fantasy players: he is still free in most leagues!

Should You Pick Him Up? (Simple Steps)

If you play fantasy baseball and desperately need saves, here is a beginner‑friendly way to think about it:

1. Remember the Giants aren’t the top bullpen, but they can help if you have no other choice.
2. Note that Ryan Walker was sent to the minors, so Kilian is now the top reliever.
3. Check your league’s waiver wire (the list of free players). Kilian is owned in only 15% of Yahoo leagues (a popular fantasy website), meaning 85% of leagues have him available.
4. If you need a closer, click his name and add him to your team.

Summary

The San Francisco Giants are not the best bullpen to target for saves in 2026, but after Ryan Walker was sent down, Caleb Kilian became the main reliever for the 9th inning. He has 8 career saves (all this season), a 4.03 ERA this year, and a healthy strikeout rate. He stumbled at the end of June but rebounded strongly in early July. His career numbers are shaky, yet he is currently the manager’s favorite to finish games and is widely available on the waiver wire (only 15% owned in Yahoo leagues). If you’re desperate for saves, he’s the name to grab.

Article based on a report by Keith Hernandez (RotoBaller) on Jul 10, 2026, 11:16 AM ET, with data from Baseball Reference.

FAQ

Q1: What is a “save” in baseball?
A: A save is a bonus stat given to a relief pitcher who finishes a game where his team is winning by 3 runs or less (or another close situation). Fantasy players love saves because they give points.

Q2: Who is Ryan Walker and why does his move matter?
A: Ryan Walker was another Giants reliever. On Thursday before July 10, 2026, the team sent him to the minor leagues. That opened the door for Kilian to become the main closer.

Q3: What do ERA and WHIP mean in simple words?
A: ERA tells you how many runs a pitcher allows per 9 innings (lower is better). WHIP tells you how many batters reach base (by hit or walk) per inning (lower is better).

Q4: Why might Kilian be a risky fantasy pick?
A: Because in his whole career before this year he had a 6.20 ERA, meaning he often allowed many runs, and he had a bad end to June. But his current role gives him many chances for saves.

Q5: Where can I find Caleb Kilian in my fantasy league?
A: He is rostered in only 15% of Yahoo fantasy leagues, so most leagues have him on the waiver wire (free to pick up). Just search his name and add him.