Here's a cheat sheet on the overall scoreboard in races for governor:

THE GOVERNORS Next Year Republicans     22 Democrats       28 Currently Republicans     28 Democrats       22

REPUBLICANS
Net loss        6
Freshman        4
Incumbents re-elected   12
Incumbents defeated     2* counting  Alaska primary

DEMOCRATS
Net gain        6
Freshman        7
Incumbents re-elected   13
Incumbents defeated     0

Repubs reelected:

VT, CT, RI, SC, GA, AL, TX, MN, Neb , SD, CA, HI

Freshman Repubs: AK, ID, FL, NV

Dems reelected

ME, NH, PA, MI, WI, IL, TN, OK, KS, WY, NM, AZ, OR

Freshman Dems: NY, MD, OH, IA, CO, MA, Ark

Incumbents defeated

Republicans: MD plus AK (Murkowski defeated in primary)

Democrats: None