Personal information | |
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Born: | Newport Beach, California, U.S. | June 7, 1997
Height: | 6 ft 5 in (1.96 m) |
Weight: | 225 lb (102 kg) |
Career information | |
High school: | Santa Margarita Catholic (Rancho Santa Margarita, California) |
College: |
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Position: | Quarterback |
Undrafted: | 2021 |
Career history | |
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* Offseason and/or practice squad member only | |
Career highlights and awards | |
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Kevin Richard "K. J." Costello (born June 7, 1997) is an American professional football quarterback who is a free agent. He played college football for the Stanford Cardinal and the Mississippi State Bulldogs. He previously played for the Los Angeles Chargers and New Orleans Saints.
Costello attended Santa Margarita Catholic High School in Rancho Santa Margarita, California. During his high school football career, he passed for a school record 8,222 yards, surpassing a record previously held by Carson Palmer [1] and 62 passing touchdowns. [2] Rated as one of the top quarterback recruits in his class, Costello committed to Stanford University to play college football. [3] [4]
Costello redshirted his first year at Stanford in 2016. He entered 2017 as a backup to Keller Chryst, but made his first career start against UCLA after Chryst was injured. [5] [6] Costello returned as the backup after the game; however, he took over as the starter prior to the eighth game of the season. [7] [8] He remained the starter throughout the rest of the season and finished with 1,573 passing yards, 14 touchdowns and four interceptions and took the Cardinal to the Pac-12 Championship game.
KJ Costello started 35 games in College football. He holds the SEC Single-Game passing record with 623 yards against the defending national champions, LSU Tigers. He passed Andrew Luck & John Elway for all-time on the list for most passing yards in a single season at Stanford with 3540 yards. [9]
On December 18, 2019, Costello entered the transfer portal as a graduate transfer. [10] On February 3, 2020, Costello announced he would be grad transferring to Mississippi State. [11]
Costello made his first start for Mississippi State on September 26, 2020, where he broke the SEC record for passing yards in a single game with 623 yards in a 44–34 victory over the defending national champion, LSU. [12]
Season | Team | GP | Passing | Rushing | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cmp | Att | Pct | Yds | Avg | TD | Int | Rtg | Att | Yds | Avg | TD | |||
2017 | Stanford | 11 | 124 | 211 | 58.8 | 1,573 | 7.5 | 14 | 4 | 139.5 | 28 | 92 | 3.3 | 3 |
2018 | Stanford | 13 | 269 | 413 | 65.1 | 3,540 | 8.6 | 29 | 11 | 155.0 | 42 | -20 | -0.5 | 0 |
2019 | Stanford | 5 | 102 | 167 | 61.1 | 1,038 | 6.2 | 6 | 3 | 121.6 | 18 | 24 | 1.3 | 0 |
2020 | Mississippi State | 4 | 130 | 196 | 66.3 | 1,267 | 6.5 | 6 | 10 | 120.5 | 22 | -65 | -3.0 | 0 |
Career | 33 | 625 | 987 | 63.3 | 7,418 | 7.5 | 55 | 28 | 139.2 | 110 | 31 | 0.3 | 3 |
On August 1, 2021, Costello signed with the Los Angeles Chargers after going undrafted in the 2021 NFL draft. [13] He was waived on August 17. [14]
Costello signed with the Philadelphia Stars of the United States Football League on May 27, 2022. [15]
On August 10, 2022, Costello signed with the New Orleans Saints. [16] He was waived on August 21, 2022.
On February 17, 2023, Costello re-signed with the Philadelphia Stars. [17] He was transferred to the team's inactive list on March 19, 2023. [18] The Stars folded when the XFL and USFL merged to create the United Football League (UFL). [19]
Year | Team | League | Games | Passing | Rushing | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
GP | GS | Record | Cmp | Att | Pct | Yds | Y/A | TD | Int | Rtg | Att | Yds | Avg | TD | |||
2022 | PHI | USFL | 2 | 0 | 0-0 | 4 | 10 | 40.0 | 69 | 6.9 | 0 | 0 | 64.2 | 5 | -15 | -3.0 | 0 |
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