USA TODAY Sports

That's what they call making quick work of a hitter.

Yankees left-handed reliever Wandy Peralta struck out Pittsburgh Pirates infielder Tucupita Marcano on three pitches in just 20 seconds on Thursday. This is the latest example of how fast an at-bat can occur with baseball's new pitch clock.

First, Peralta got a called strike on the first pitch, Marcano fouled off the second pitch and then took a called strike three on the third pitch. 

Under MLB's new pitch clock rules, pitchers have 15 seconds to begin their motion when the bases are empty. With runners on base, they have 20 seconds on the clock.

Although it's a small sample size, spring training games are averaging two hours and 39 minutes through the first four days of action. This is down 20 minutes from 2:57. 

Meanwhile, Peralta is entering his third season with the Yankees. Last year, he pitched to a solid 2.72 ERA with four saves in 56 appearances.

Follow Pat Ragazzo on Twitter (@ragazzoreport). Be sure to bookmark Inside The Pinstripes and check back daily for news, analysis and more.

More must-reads:

TODAY'S BEST
Key Knicks forward ruled out for Game 7 vs. Pacers
Pacers' Pascal Siakam leads team to Game 6 win vs. Knicks
Watch: Matt Duchene's 2OT winner sends Stars to conference final
Scottie Scheffler shoots improbable 66 after warming up for PGA Championship in a jail cell
Report: Tua Tagovailoa away from Dolphins amid contract chatter
Nuggets star has worrying comment about latest injury
Paul Skenes makes incredible Wrigley Field history in second-career MLB start
Giants rookie CF to undergo season-ending labrum surgery
Yankees' Juan Soto reacts to Hal Steinbrenner contract talk
Late goal sends Panthers to Eastern Conference Finals
Ex-teammate of Shohei Ohtani placed bets with same illegal bookmaker as interpreter 
Former Rams first-round pick retires from NFL after 11 seasons
Insider provides major injury update on Celtics' Kristaps Porzingis
Watch: Bruins strike first in Game 6 with incredible backhand goal
Dodgers make series of moves involving notable players
Hurricanes not expected to re-sign defenseman, center
Maple Leafs tab former Stanley Cup winner as new head coach
NFL insider expands on competition between Steelers QBs Russell Wilson, Justin Fields
NFL sets outrageous prices for Eagles-Packers Brazil game
Broncos 'very unlikely' to bring back former NFL interceptions leader