Cory Hahn on Arizona State campus

Cory Hahn and his his father Dale talk for a few minutes in Cory’s room after classes at Arizona State University in Tempe. Dale quit his job to take care of his son, who was injured and paralyzed while sliding into second base last season.  (Mark Boster / Los Angeles Times)

Cory Hahn gets a little help from his father Dale while the two head off to the Arizona State University campus for classes.  (Mark Boster / Los Angeles Times)

Cory Hahn wheels onto campus in Tempe with a little help from his father Dale. Hahn, who was paralyzed while sliding into second base last year, was The Times’ high school baseball player of the year in 2010.  (Mark Boster / Los Angeles Times)

Cory Hahn, a sophomore business major at Arizona State, chats with a fellow student between classes.  (Mark Boster / Los Angeles Times)

Cory Hahn, a former all-state baseball player at Santa Ana Mater Dei High, settles into his seat for statistics class at Arizona State.  (Mark Boster / Los Angeles Times)

Cory Hahn is greeted by Arizona State teammates as he arrives for a game. Whenever Hahn can catch a game, the Sun Devils shower him with high-fives.  (Mark Boster / Los Angeles Times)

Arizona State players all wear socks with the team’s insignia and the No. 34 in honor of former teammate Cory Hahn, who was paralyzed while sliding into second base during a game last season.  (Mark Boster / Los Angeles Times)

Cory Hahn, a former Mater Dei High and Arizona State player who was paralyzed from the chest down last season while sliding into second base, takes his place in line with the Sun Devils for the national anthem before a game on campus.

Arizona State players huddle together with former teammate Cory Hahn, who was paralyzed while sliding into second base last season, before a game.

Arizona State Coach Tim Esmay hugs Cory Hahn, a former all-state player from Mater Dei High in Orange County who was paralyzed while sliding into second base during one of his first college games last season.  (Mark Boster / Los Angeles Times)

Cory Hahn gets a hug from his father Dale after a day of classes at Arizona State University. Says Dale: “We were never much for hugging. But now I get to hug my son all the time.”  (Mark Boster / Los Angeles Times)