Can’t login to Admin Panel

I’m getting the below error message when trying to login…I was working in the themes functions.php…deleted the code I added but still error message…checked all night for white spaces…help!

Warning: Cannot modify header information – headers already sent by (output started at /home/wesleysoccer/webapps/wp/wp-content/themes/infocus/functions.php:1) in /home/wesleysoccer/webapps/wp/wp-login.php on line 302

Warning: Cannot modify header information – headers already sent by (output started at /home/wesleysoccer/webapps/wp/wp-content/themes/infocus/functions.php:1) in /home/wesleysoccer/webapps/wp/wp-login.php on line 314

Warning: Cannot modify header information – headers already sent by (output started at /home/wesleysoccer/webapps/wp/wp-content/themes/infocus/functions.php:1) in /home/wesleysoccer/webapps/wp/wp-includes/pluggable.php on line 665

Warning: Cannot modify header information – headers already sent by (output started at /home/wesleysoccer/webapps/wp/wp-content/themes/infocus/functions.php:1) in /home/wesleysoccer/webapps/wp/wp-includes/pluggable.php on line 666

Warning: Cannot modify header information – headers already sent by (output started at /home/wesleysoccer/webapps/wp/wp-content/themes/infocus/functions.php:1) in /home/wesleysoccer/webapps/wp/wp-includes/pluggable.php on line 667

Warning: Cannot modify header information – headers already sent by (output started at /home/wesleysoccer/webapps/wp/wp-content/themes/infocus/functions.php:1) in /home/wesleysoccer/webapps/wp/wp-includes/pluggable.php on line 868