CHY Cheyenne

Efren Maduro - P

Cheyenne Cowboys

 - Big League Level
Show Info
Age: 30
B/T: S/R
Pos: P (LRA)
HT/WT: 6-1/213
Born: Ramon Santana, DO
Pitches: Slider, Split FB, Change Up, Curveball, 4-Seam FB
Salary: $5,200,000 Pro Years: 12
Status: Active Roster ML Years: 6
Injury: none Years w/Team: 6
MiLB Options: 1 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 9/3/2026 11:28 AM User Cowboys Contract Extension
73 6/22/2026 12:49 PM User Cowboys Arbitration Signing
72 3/23/2026 7:18 AM User Cowboys Arbitration Signing
71 12/18/2025 2:28 PM User Cowboys Arbitration Signing
70 11/12/2025 7:52 PM User Cowboys Activated from ML IL
70 10/20/2025 7:54 PM User Cowboys Placed on ML IL
70 9/4/2025 9:37 PM AI Cowboys Contract Renewal
69 6/2/2025 1:36 AM AI Cowboys Contract Renewal
68 4/22/2025 7:07 PM User Cowboys Activated from ML IL
68 4/14/2025 8:10 PM User Cowboys Placed on ML IL
68 3/6/2025 9:18 PM User Cowboys Added to 40-Man Roster
68 3/6/2025 3:07 PM User Cowboys Acquired via Trade
68 3/6/2025 3:07 PM User Cougars Traded to CHY
68 2/24/2025 5:37 AM AI Cougars Contract Renewal
67 11/20/2024 1:37 AM AI Bookies Contract Renewal
66 8/23/2024 11:17 AM User SuperStars Added to 40-Man Roster
66 8/2/2024 9:37 PM AI SuperStars Contract Renewal
65 4/29/2024 5:37 AM AI SuperStars Contract Renewal
64 1/21/2024 1:39 AM AI Cubs Contract Renewal
63 10/8/2023 9:41 PM AI Cubs Contract Renewal
62 8/4/2023 11:19 AM User Cubs International Free-Agent