FACTS/FLUKES: Hader, Riley, Carlson, Arrieta, Barnhart

Hader adds change-up and tick of velocity... During the 2020 season, Josh Hader (LHP, MIL) lost some swinging strikes and one mph of velocity. Both have bounced back in 2021, as he's posting elite results. Through 26 IP, the lefty closer has three wins, 16 saves, 43 strikeouts, a 0.70 ERA, and a 0.74 WHIP. What do his skills say about his ability to keep his early results?

Year   IP   ERA/xERA  BB%   K% K-BB Ball%   SwK  Vel    G/L/F    H%/S%  HR/F/xHR/F
====  ===  =========  === ==== ==== =====  ====  ====  ========  =====  ==========
2017* 100  3.90/4.12  12%  27%  15%   35%  17.6  94.3  34/14/51  26/79    9%/  8%
2018  143  2.43/2.37  10%  47%  37%   33%  19.8  94.5  29/23/48  24/77   15%/ 14%
2019  138  2.62/2.57   7%  48%  41%  ...

Almost!

You’re just a few clicks away from accessing this feature and hundreds more throughout the year that have a singular goal in mind: Winning your league. Subscribe to BaseballHQ.com here!

Already a subscriber? Sign in here

More From Facts & Flukes

Jackson Merrill warmed up in September. Also: David Peterson, Seiya Suzuki, Abner Uribe, Otto Lopez.
Jan 28 2026 3:05am
Cole Ragans had a small sample and inflated ERA in 2025, but his skills were top notch. Plus Gavin Williams, Lawrence Butler, Luke Keaschall, and Bo Naylor.
Jan 27 2026 3:05am
A May quad injury cost Alex Bregman seven weeks and seemed to hamper his second half performance—could he be a rebound candidate in 2026? Plus, Drake Baldwin, Tyler Mahle, Mark Vientos, and Braxton Ashcraft.
Jan 21 2026 3:03am
Josh Naylor ran wild, but why? We'll examine the skills and metrics for Naylor Kyle Bradish, Luis Robert Jr., Kris Bubic, and Cedric Mullins.
FREE
Jan 19 2026 3:10am
Jazz Chisholm Jr. is performing well, but why? We examined the skills and underlying metrics for Chisholm, Luis Gil, Daulton Varsho, Dean Kremer, and Julio Rodríguez.
Sep 4 2025 3:05am

Tools