Jeremiah Estrada Already Looks Like Best Homegrown Cubs Reliever in Recent History - Cubs Insider
Relief Pitching and the 2016 World Series
Cubs' David Ross lists Core 4 relievers for 2023 bullpen – NBC Sports Chicago
The Bullpen Series - The New York Times
Morel's double in the ninth lifts Cubs over Blue Jays 5-4
Bellinger, Swanson, Happ power Cubs past MLB-leading Braves 6-4 for 6th straight series win National News - Bally Sports
Cubs' bullpen expected to take trade-deadline hit, but relievers have been through this before - Chicago Sun-Times
Cy Steele makes his pitch as NL's best while Cubs edge Brewers
The Best & Worst Trades at the MLB Trade Deadline in Cubs History
Who are the 5 best relievers in Chicago Cubs history?
Wisch: The Six Most Maddening Cubs Closers Ever - CBS Chicago
Cubs' Jose Cuas, Drew Smyly becoming go-to relievers with traffic on the bases - Chicago Sun-Times