Mason Burns
St. Louis Cardinals (A)P
Age: 23
Bats/Throws: R/R
6'3" / 215
DOB: 4/4/2002
(23 years, 2 months, 14 days)
P
Quick Links
More
Stats
Stat Groups:
Select
You can shift + click on full MLB seasons in Season Stats and games in Game Logs to select spans for aggregate stats. Read more here
In-Season ProjectionsMinor LeaguesCollege
| Season | Team | Level | Age | W W - Wins | L L - Losses | SV SV - Saves | G G - Games Pitched | GS GS - Games Started | IP IP - Innings Pitched | divider | K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP) | BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP) | HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP) | BABIP BABIP - Batting Average on Balls in Play | LOB% LOB% - Left on Base Percentage | GB% GB% - Ground Ball Percentage (GB/BIP) | HR/FB HR/FB - Home Run to Fly Ball Ratio | divider | vFA vFA - Fourseam Fastball velocity (Pitch Info) | divider | ERA ERA - Earned Run Average ((ER*9)/IP) | xERA xERA - Expected ERA | FIP FIP - Fielder Independent Pitching on an ERA scale | xFIP xFIP - Expected Fielder Independent Pitching where Home Runs are calculated as 10.5% of Fly Balls induced | WAR WAR - Wins Above Replacement |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | ILST | NCAA | 19 | 1 | 0 | 0 | 4 | 0 | 3.2 | 19.64 | 14.73 | 0.00 | .400 | 50.0% | 9.82 | 3.75 | |||||||||
| 2022 | ILST | NCAA | 20 | 0 | 0 | 0 | 5 | 0 | 3.1 | 8.10 | 16.20 | 0.00 | .462 | 58.3% | 13.50 | 6.80 | |||||||||
| 2023 | WKU | NCAA | 21 | 6 | 2 | 4 | 23 | 4 | 55.0 | 10.80 | 3.27 | 1.15 | .285 | 82.8% | 2.95 | 3.82 | |||||||||
| 2024 | WKU | NCAA | 22 | 3 | 3 | 15 | 28 | 0 | 36.0 | 13.00 | 3.25 | 0.50 | .404 | 73.0% | 4.00 | 2.62 | |||||||||
| 2025 | STL | A | 23 | 2 | 0 | 1 | 17 | 0 | 23.1 | 14.27 | 6.17 | 1.16 | .362 | 75.5% | 46.9% | 23.1% | 4.24 | 4.20 | 3.14 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.49 | 6.66 | 1.19 | .298 | 70.6% | 5.53 | 5.70 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 23 | 0 | 0 | 0 | 1 | 0 | 1.4 | 8.22 | 4.89 | 1.21 | .302 | 69.0% | 4.97 | 4.87 | 0.0 |
| Season | Team | Level | Age | W W - Wins | L L - Losses | SV SV - Saves | G G - Games Pitched | GS GS - Games Started | IP IP - Innings Pitched | divider | K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP) | BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP) | HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP) | BABIP BABIP - Batting Average on Balls in Play | LOB% LOB% - Left on Base Percentage | GB% GB% - Ground Ball Percentage (GB/BIP) | HR/FB HR/FB - Home Run to Fly Ball Ratio | divider | vFA vFA - Fourseam Fastball velocity (Pitch Info) | divider | ERA ERA - Earned Run Average ((ER*9)/IP) | xERA xERA - Expected ERA | FIP FIP - Fielder Independent Pitching on an ERA scale | xFIP xFIP - Expected Fielder Independent Pitching where Home Runs are calculated as 10.5% of Fly Balls induced | WAR WAR - Wins Above Replacement |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | ILST | NCAA | 19 | 1 | 0 | 0 | 4 | 0 | 3.2 | 19.64 | 14.73 | 0.00 | .400 | 50.0% | 9.82 | 3.75 | |||||||||
| 2022 | ILST | NCAA | 20 | 0 | 0 | 0 | 5 | 0 | 3.1 | 8.10 | 16.20 | 0.00 | .462 | 58.3% | 13.50 | 6.80 | |||||||||
| 2023 | WKU | NCAA | 21 | 6 | 2 | 4 | 23 | 4 | 55.0 | 10.80 | 3.27 | 1.15 | .285 | 82.8% | 2.95 | 3.82 | |||||||||
| 2024 | WKU | NCAA | 22 | 3 | 3 | 15 | 28 | 0 | 36.0 | 13.00 | 3.25 | 0.50 | .404 | 73.0% | 4.00 | 2.62 | |||||||||
| 2025 | STL | A | 23 | 2 | 0 | 1 | 17 | 0 | 23.1 | 14.27 | 6.17 | 1.16 | .362 | 75.5% | 46.9% | 23.1% | 4.24 | 4.20 | 3.14 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.49 | 6.66 | 1.19 | .298 | 70.6% | 5.53 | 5.70 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 23 | 0 | 0 | 0 | 1 | 0 | 1.4 | 8.22 | 4.89 | 1.21 | .302 | 69.0% | 4.97 | 4.87 | 0.0 |
In-Season ProjectionsMinor LeaguesCollege
| Season | Team | Level | W W - Wins | L L - Losses | ERA ERA - Earned Run Average ((ER*9)/IP) | G G - Games Pitched | GS GS - Games Started | QS | CG CG - Complete Games | ShO ShO - Shoutouts | SV SV - Saves | HLD HLD - Holds | BS BS - Blown Saves | IP IP - Innings Pitched | TBF TBF - Total Batters Faced | H H - Hits Allowed | R R - Runs Allowed | ER ER - Earned Runs | HR HR - Home Runs | BB BB - Walks | IBB IBB - Intentional | HBP HBP - Hit Batters | WP WP - Wild Pitches | BK BK - Balks | SO SO - Strikeouts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | ILST | NCAA | 1 | 0 | 9.82 | 4 | 0 | 0 | 0 | 0 | 3.2 | 19 | 2 | 4 | 4 | 0 | 6 | 0 | 1 | 1 | 8 | ||||
| 2022 | ILST | NCAA | 0 | 0 | 13.50 | 5 | 0 | 0 | 0 | 0 | 3.1 | 22 | 6 | 5 | 5 | 0 | 6 | 0 | 3 | 0 | 3 | ||||
| 2023 | WKU | NCAA | 6 | 2 | 2.95 | 23 | 4 | 0 | 0 | 4 | 55.0 | 228 | 44 | 20 | 18 | 7 | 20 | 5 | 7 | 0 | 66 | ||||
| 2024 | WKU | NCAA | 3 | 3 | 4.00 | 28 | 0 | 0 | 0 | 15 | 36.0 | 167 | 40 | 18 | 16 | 2 | 13 | 6 | 6 | 0 | 52 | ||||
| 2025 | STL | A | 2 | 0 | 4.24 | 17 | 0 | 0 | 0 | 1 | 1 | 3 | 23.1 | 103 | 20 | 12 | 11 | 3 | 16 | 0 | 0 | 6 | 0 | 37 | |
| 2025 | Steamer | ROS | 0 | 0 | 5.53 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 4.97 | 1 | 0 | 0 | 0 | 0 | 1.4 | 6 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 |
| Season | Team | Level | W W - Wins | L L - Losses | ERA ERA - Earned Run Average ((ER*9)/IP) | G G - Games Pitched | GS GS - Games Started | QS | CG CG - Complete Games | ShO ShO - Shoutouts | SV SV - Saves | HLD HLD - Holds | BS BS - Blown Saves | IP IP - Innings Pitched | TBF TBF - Total Batters Faced | H H - Hits Allowed | R R - Runs Allowed | ER ER - Earned Runs | HR HR - Home Runs | BB BB - Walks | IBB IBB - Intentional | HBP HBP - Hit Batters | WP WP - Wild Pitches | BK BK - Balks | SO SO - Strikeouts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | ILST | NCAA | 1 | 0 | 9.82 | 4 | 0 | 0 | 0 | 0 | 3.2 | 19 | 2 | 4 | 4 | 0 | 6 | 0 | 1 | 1 | 8 | ||||
| 2022 | ILST | NCAA | 0 | 0 | 13.50 | 5 | 0 | 0 | 0 | 0 | 3.1 | 22 | 6 | 5 | 5 | 0 | 6 | 0 | 3 | 0 | 3 | ||||
| 2023 | WKU | NCAA | 6 | 2 | 2.95 | 23 | 4 | 0 | 0 | 4 | 55.0 | 228 | 44 | 20 | 18 | 7 | 20 | 5 | 7 | 0 | 66 | ||||
| 2024 | WKU | NCAA | 3 | 3 | 4.00 | 28 | 0 | 0 | 0 | 15 | 36.0 | 167 | 40 | 18 | 16 | 2 | 13 | 6 | 6 | 0 | 52 | ||||
| 2025 | STL | A | 2 | 0 | 4.24 | 17 | 0 | 0 | 0 | 1 | 1 | 3 | 23.1 | 103 | 20 | 12 | 11 | 3 | 16 | 0 | 0 | 6 | 0 | 37 | |
| 2025 | Steamer | ROS | 0 | 0 | 5.53 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 4.97 | 1 | 0 | 0 | 0 | 0 | 1.4 | 6 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 |
In-Season ProjectionsMinor LeaguesAveragesCollege
| Season | Team | Level | K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP) | BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP) | K/BB K/BB - Strikeout to Walk Ratio (SO/BB) | HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP) | divider | K% K% - Strikeout Percentage (SO/TBF) | BB% BB% - Walk Percentage (BB/TBF) | K-BB% K-BB% - The difference between strikeout percentage and walk percentage | divider | AVG AVG - Batting Average Against | WHIP WHIP - Walks + Hits divided by Innings Pitched | BABIP BABIP - Batting Average on Balls in Play | LOB% LOB% - Left on Base Percentage | divider | ERA- ERA- - ERA adjusted for park and league where 100 is average and lower is better | FIP- FIP- - FIP adjusted for park and league where 100 is average and lower is better | divider | FIP FIP - Fielder Independent Pitching on an ERA scale |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | ILST | NCAA | 19.64 | 14.73 | 1.33 | 0.00 | 42.1% | 31.6% | 10.5% | .154 | 2.18 | .400 | 50.0% | 3.75 | ||||||
| 2022 | ILST | NCAA | 8.10 | 16.20 | 0.50 | 0.00 | 13.6% | 27.3% | -13.6% | .375 | 3.60 | .462 | 58.3% | 6.80 | ||||||
| 2023 | WKU | NCAA | 10.80 | 3.27 | 3.30 | 1.15 | 28.9% | 8.8% | 20.2% | .217 | 1.16 | .285 | 82.8% | 3.82 | ||||||
| 2024 | WKU | NCAA | 13.00 | 3.25 | 4.00 | 0.50 | 31.1% | 7.8% | 23.4% | .270 | 1.47 | .404 | 73.0% | 2.62 | ||||||
| 2025 | STL | A | 14.27 | 6.17 | 2.31 | 1.16 | 35.9% | 15.5% | 20.4% | .230 | 1.54 | .362 | 75.5% | 102 | 101 | 4.20 | ||||
| 2025 | Steamer | ROS | 6.49 | 6.66 | 0.97 | 1.19 | 15.3% | 15.7% | -0.4% | .267 | 1.79 | .298 | 70.6% | 5.70 | ||||||
| 2025 | OOPSY | ROS | 8.22 | 4.89 | 1.68 | 1.21 | 20.5% | 12.2% | 8.3% | .255 | 1.53 | .302 | 69.0% | 4.87 |
| Season | Team | Level | K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP) | BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP) | K/BB K/BB - Strikeout to Walk Ratio (SO/BB) | HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP) | divider | K% K% - Strikeout Percentage (SO/TBF) | BB% BB% - Walk Percentage (BB/TBF) | K-BB% K-BB% - The difference between strikeout percentage and walk percentage | divider | AVG AVG - Batting Average Against | WHIP WHIP - Walks + Hits divided by Innings Pitched | BABIP BABIP - Batting Average on Balls in Play | LOB% LOB% - Left on Base Percentage | divider | ERA- ERA- - ERA adjusted for park and league where 100 is average and lower is better | FIP- FIP- - FIP adjusted for park and league where 100 is average and lower is better | divider | FIP FIP - Fielder Independent Pitching on an ERA scale |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | ILST | NCAA | 19.64 | 14.73 | 1.33 | 0.00 | 42.1% | 31.6% | 10.5% | .154 | 2.18 | .400 | 50.0% | 3.75 | ||||||
| 2022 | ILST | NCAA | 8.10 | 16.20 | 0.50 | 0.00 | 13.6% | 27.3% | -13.6% | .375 | 3.60 | .462 | 58.3% | 6.80 | ||||||
| 2023 | WKU | NCAA | 10.80 | 3.27 | 3.30 | 1.15 | 28.9% | 8.8% | 20.2% | .217 | 1.16 | .285 | 82.8% | 3.82 | ||||||
| 2024 | WKU | NCAA | 13.00 | 3.25 | 4.00 | 0.50 | 31.1% | 7.8% | 23.4% | .270 | 1.47 | .404 | 73.0% | 2.62 | ||||||
| 2025 | STL | A | 14.27 | 6.17 | 2.31 | 1.16 | 35.9% | 15.5% | 20.4% | .230 | 1.54 | .362 | 75.5% | 102 | 101 | 4.20 | ||||
| 2025 | Steamer | ROS | 6.49 | 6.66 | 0.97 | 1.19 | 15.3% | 15.7% | -0.4% | .267 | 1.79 | .298 | 70.6% | 5.70 | ||||||
| 2025 | OOPSY | ROS | 8.22 | 4.89 | 1.68 | 1.21 | 20.5% | 12.2% | 8.3% | .255 | 1.53 | .302 | 69.0% | 4.87 |
