Jeff Maehl replaces Derrick Mason on Houston roster

Unexpectedly, the Texans dumped receiver Derrick Mason on Monday.  As expected, they’ve promoted former Oregon wideout Jeff Maehl from the practice squad. Maehl, who caught 77 passes in 2010, was regarded by Tony Dungy of NBC’s Football Night In America as one of the most intriguing players after the lockout.  That’s high praise, and it…