In his first season with the Sioux City Musketeers of the USHL, Spratt played sparingly, only appearing in 18 games. In those 18 games he compiled a 6-6-2 record with a 3.25 GAA and a .908 save percentage. Spratt took the reins in 2003-04 appearing in 34 games where he amassed a record of 19-6-5 with three shutouts. Spratt’s GAA was a respectable 2.34 and his save percentage was a stingy .918, which put him in the Top 5 in the league in both categories. This performance was strong enough to elicit interest from NHL scouts, and the Calgary Flames drafted him with their seventh round pick.
7th round (213th overall), 2004 by CAL
In the season following the draft, Spratt played in 42 games, posting 24 wins to go along with 11 losses and 3 overtime losses. Again he posted a sub-3.00 GAA, at 2.81 to with his .909 save percentage. His numbers were slightly better in the playoffs, where he went 8-5 with one shutout while lowering his GAA to 2.55 and raising his save percentage to .911.
After spending these three seasons with the Musketeers in which he compiled a combined 49-23-10 record to go along with five shutouts, Spratt decided to continue his development with the Bowling Green State University Falcons of the CCHA, signing a scholarship to begin playing in the 2005-06 season.
2006-07: This season, Spratt played in 31 games, finishing with a 6-22-1 record, a 3.64 goals against average and a .886 save percentage. He made 16 saves in a 2-1 OT win versus UConn to open the season. He made a career-high 40 saves at St. Lawrence, only to top that with 42 saves at Ferris State. He had 10 30-plus save performances of the year. He had his first collegiate assists versus Miami on Dec. 29 at the Ohio Hockey Classic. He earned the Bill and Helen Lloyd Award for the most improved player.
2007-08: In his third season with Bowling Green University (CCHA), Spratt got the start in 17-of-19 games played. He finished with a 6-11-0 record with a 3.08 goals against average and a .885 save percentage. He stopped 18-of-22 shots to pick up his first win of the season against Western Michigan on Nov. 3. He made 30 saves on 31 shots to help the Falcons complete a two-game road sweep at Ferris State on Nov. 10. He earned the win in the Falcons’ series clinching victory over Lake Superior State (Mar. 7 – 9) in the first round of the CCHA playoffs, making 29 saves on 32 shots.