OAK Oakland

Junior Sierra - P

Oakland Athletics

 - Big League Level
Show Info
Age: 25
B/T: L/L
Pos: P (ClA)
HT/WT: 6-0/192
Born: Santo Domingo, DO
Pitches: 4-Seam FB, Slider, Change Up
Salary: $202,000 Pro Years: 7
Status: Active Roster ML Years: 0
Injury: none Years w/Team: 0
MiLB Options: 2 40-Man Roster: Y
Waiver Status: None No Trade Clause: N
Trading Block: N Playoff Roster: N
Spring Invite: N
Filters:
Type:
Close
Transaction Type: All
Season Date Author Franchise Transaction
73 10/14/2026 12:48 PM User Athletics Promoted to ML
73 10/11/2026 3:06 PM AI Athletics Reinstated from ML Inactive List
73 10/10/2026 11:06 PM AI Athletics Placed on ML Inactive List
73 10/9/2026 3:06 PM AI Athletics Reinstated from ML Inactive List
73 10/8/2026 3:06 PM AI Athletics Placed on ML Inactive List
73 10/6/2026 7:06 AM AI Athletics Reinstated from ML Inactive List
73 10/5/2026 3:06 PM AI Athletics Placed on ML Inactive List
73 8/27/2026 9:36 AM AI Athletics Contract Renewal
72 6/1/2026 8:26 AM User Athletics Added to 40-Man Roster
72 5/31/2026 11:08 PM User Athletics Free-Agent Signing
72 5/28/2026 9:37 PM AI Athletics Left via Free-Agency
71 2/17/2026 9:38 AM AI Athletics Contract Renewal
70 12/5/2025 2:16 PM User Athletics Acquired via Trade
70 12/5/2025 2:16 PM User Phillies Traded to OAK
70 11/14/2025 9:38 PM AI Phillies Contract Renewal
69 8/12/2025 9:39 AM AI Phillies Contract Renewal
68 5/14/2025 5:39 AM AI Phillies Contract Renewal
67 2/10/2025 5:39 AM AI Phillies Contract Renewal
66 12/27/2024 3:08 PM User Phillies International Free-Agent